Chavez v. Secretary of Health and Human Services ( 2022 )


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  •             In the United States Court of Federal Claims
    OFFICE OF SPECIAL MASTERS
    Filed: July 19, 2022
    * * * * * * * * * * * * * *                  *       PUBLISHED
    TAMARA CHAVEZ, Parent of T.C.,               *
    a minor,                                     *       No. 16-1479V
    *
    Petitioner,                   *       Special Master Nora Beth Dorsey
    *
    v.                                           *       Entitlement; Diphtheria-Tetanus-Acellular-
    *       Pertussis (“DTaP”) Vaccine; Hepatitis B
    SECRETARY OF HEALTH                          *       Vaccine; Inactivated Polio (“IPV”) Vaccine;
    AND HUMAN SERVICES,                          *       Haemophilus Influenzae Type B (“Hib”)
    *       Vaccine; Rotavirus Vaccine; Early Infantile
    Respondent.                   *       Epilepsy; Encephalopathy; Intractable
    *       Seizures; Gastroesophageal Reflux; Global
    * * * * * * * * * * * * * *                  *       Developmental Delay; Neurological
    Movement Disorder.
    Patricia Finn, Patricia Finn, P.C., Nanuet, NY, for petitioner.
    Andrew Henning, U.S. Department of Justice, Washington, DC, for respondent.
    DECISION1
    I.     INTRODUCTION
    On November 9, 2016, Tamara Chavez (“petitioner”), on behalf of her minor child, T.C.,
    filed a petition under the National Vaccine Injury Compensation Program (“Vaccine Act” or “the
    Program”), 42 U.S.C. § 300aa-10 et seq. (2012).2 Petitioner alleged as a result of the Pediarix
    (diphtheria-tetanus-acellular pertussis (“DTaP”), hepatitis B, and inactivated polio (“IPV”)),
    1Because this Decision contains a reasoned explanation for the action in this case, the
    undersigned is required to post it on the United States Court of Federal Claims’ website in
    accordance with the E-Government Act of 2002. 
    44 U.S.C. § 3501
     note (2012) (Federal
    Management and Promotion of Electronic Government Services). This means the Decision will
    be available to anyone with access to the Internet. In accordance with Vaccine Rule 18(b),
    petitioner has 14 days to identify and move to redact medical or other information, th e disclosure
    of which would constitute an unwarranted invasion of privacy. If, upon review, the undersigned
    agrees that the identified material fits within this definition, the undersigned will redact such
    material from public access.
    2The National Vaccine Injury Compensation Program is set forth in Part 2 of the National
    Childhood Vaccine Injury Act of 1986, Pub. L. No. 99-660, 
    100 Stat. 3755
    , codified as amended,
    42 U.S.C. §§ 300aa-10 to -34 (2012). All citations in this Decision to individual sections of the
    Vaccine Act are to 42 U.S.C. § 300aa.
    pneumococcal conjugate, haemophilus influenzae type B (“Hib”), and rotavirus vaccinations
    administered on November 13, 2013, T.C. developed “Early Infantile Epilepsy resulting in
    Encephalopathy, Intractable Seizures, Gastroesophageal Reflux, Global Developmental Delay[,]
    and Neurological Movement Disorder.” Amended (“Am.”) Petition at 1 (ECF No. 20).
    Respondent argued against compensation, stating that “this case is not appropriate for
    compensation under the terms of the Act.” Respondent’s Report (“Resp. Rept.”) at 2 (ECF No.
    12).
    After carefully analyzing and weighing the evidence presented in this case in accordance
    with the applicable legal standards, the undersigned finds that petitioner has not provided
    preponderant evidence that the vaccinations T.C. received on November 13, 2013 caused her to
    develop “Early Infantile Epilepsy resulting in Encephalopathy, Intractable Seizures,
    Gastroesophageal Reflux, [3] Global Developmental Delay[,] and Neurological Movement
    Disorder.” Thus, she has not satisfied her burden of proof under Althen v. Secretary of Health &
    Human Services, 
    418 F.3d 1274
    , 1280 (Fed. Cir. 2005), and the petition must be dismissed.
    II.    PROCEDURAL HISTORY
    Petitioner filed her claim on November 9, 2016 alleging the Pediarix (DTaP, hepatitis B,
    and IPV), pneumococcal conjugate, Hib, and rotavirus vaccinations administered on November
    13, 2013, as well as the DTaP, Hib, and rotavirus vaccinations, administered on January 13,
    2014, significantly aggravated T.C.’s “Early Infantile Epilepsy resulting in Encephalopathy,
    Intractable Seizures, Gastroesophageal Reflux, Global Developmental Delay and Neurological
    Movement Disorder.” Petition at 1 (ECF No. 1).
    Petitioner filed medical records in November and December 2016. Petitioner’s Exhibits
    (“Pet. Exs.”) 1-14. On March 10, 2017, respondent filed respondent’s Rule 4(c) report
    recommending against compensation. Resp. Rept. at 2. Petitioner was then ordered to file an
    expert report by May 15, 2017. Order dated Mar. 14, 2017 (ECF No. 13). An Order to Show
    Cause was issued on July 17, 2017, and petitioner filed an amended petition 4 and an expert report
    on August 14, 2017. Order to Show Cause dated July 17, 2017 (ECF No. 19); Am. Petition; Pet.
    Ex. 15. Respondent filed an expert report and medical literature in January 2018, and petitioner
    filed a supplemental expert report on April 16, 2018. Resp. Exs. A-G; Pet. Ex. 16.
    The undersigned scheduled a Rule 5 conference on June 5, 2018, but found “ that she
    could not make a decision based on the existing record, and that a two-day entitlement hearing
    would be necessary.” Order dated June 6, 2018 (ECF No. 39). The undersigned issued a pre-
    3 Petitioner did not focus on the alleged injury of gastroesophageal reflux and the parties’ experts
    did not address it in their causation opinions. Thus, the evidence as to the allegation was
    underdeveloped. Ultimately, T.C. required a G-J tube for nourishment. To the extent that
    petitioner seeks compensation for this alleged injury, the undersigned denies compensation, for
    all of the reasons stated herein.
    4In her amended petition, petitioner amended her claim to focus on only T.C.’s November 13,
    2013 vaccinations and changed the significant aggravation claim to a causation claim.
    2
    hearing Order on July 9, 2018, setting an entitlement hearing for March 5, 2019. Pre-Hearing
    Order dated July 9, 2018 (ECF No. 41).
    Petitioner filed medical records, an expert report, medical literature, and a pre-hearing
    brief from October 2018 through January 2019. Pet. Exs. 17-50; Pet. Pre-Hearing Brief (“Br.”),
    filed Jan. 22, 2019 (ECF No. 63). Respondent filed his pre-hearing brief on February 14, 2019.
    Resp. Pre-Hearing Br., filed Feb. 14, 2019 (ECF No. 67).
    On February 21, 2019, the undersigned held a status conference stating T.C.’s genetic
    testing and updated medical records should be filed prior to the entitlement hearing. Order dated
    Feb. 22, 2019 (ECF No. 71). Petitioner filed T.C.’s genetic records, but needed additional time
    to file updated records. Pet. Ex. 52; see Order dated Feb. 28, 2019 (ECF No. 74). Therefore, the
    undersigned canceled the entitlement hearing until petitioner filed the requested records. Order
    dated Mar. 1, 2019 (ECF No. 75). Petitioner filed a compact disc of records, medical records,
    and a statement of completion on June 28, 2019. Pet. Exs. 54-55; Statement of Completion, filed
    June 28, 2019 (ECF No. 84). From September 2019 to June 2020, petitioner filed additional
    medical records and another statement of completion. Pet. Exs. 56-65; Statement of Completion,
    filed Apr. 23, 2020 (ECF No. 100).
    The undersigned issued a pre-hearing order on August 10, 2020 setting an entitlement
    hearing for April 20 and 21, 2021. Pre-Hearing Order dated Aug. 10, 2020 (ECF No. 109).
    Respondent filed an expert report and medical literature in September and November 2020.
    Resp. Exs. H-AA. On November 24, 2020, petitioner filed a responsive expert report with
    accompanying medical literature. Pet. Exs. 66-70, 80. Respondent filed an additional expert
    report and medical literature on February 12, 2021. Resp. Exs. BB-CC. The parties filed their
    pre-hearing submissions in February and March 2021. Joint Pre-Hearing Submission, filed Feb.
    22, 2021 (ECF No. 127); Pet. Supplemental Br., filed Feb. 23, 2021 (ECF No. 128); Resp. Pre-
    Hearing Submission, filed Mar. 15, 2021 (ECF No. 129). Respondent filed hearing documents
    from his expert on April 1, 2021. Resp. Ex. DD.
    On April 20 and 21, 2021, the undersigned held an entitlement hearing. Both parties
    failed to file complete records prior to the hearing and the undersigned ordered respondent and
    petitioner to file additional records. Order dated Apr. 21, 2021 (ECF No. 136). The parties filed
    additional records and documents from April to June 2021. Resp. Exs. EE-GG; Pet. Exs. 72-79.
    On November 16, 2021, petitioner filed her post-hearing brief. Pet. Post-Hearing Br.,
    filed Nov. 16, 2021 (ECF No. 156). Respondent filed his post-hearing brief on February 17,
    2022. Resp. Post-Hearing Br., filed Feb. 17, 2022 (ECF No. 159). Petitioner filed her reply on
    April 4, 2022. Pet. Reply, filed Apr. 4, 2022 (ECF No. 162).
    This matter is now ripe for adjudication.
    III.   ISSUES TO BE DECIDED
    The parties do not dispute the diagnosis and stipulate that T.C. has an epileptic
    encephalopathy. Joint Submission at 1.
    3
    The factual issue in dispute is whether T.C.’s condition preexisted her vaccinations. Joint
    Submission at 1. That issue will be resolved in the context of the undersigned’s analysis of
    causation, specifically, Althen Prong Three.
    Regarding causation, the parties dispute whether T.C.’s vaccinations caused T.C.’s
    epileptic encephalopathy pursuant to the analysis set forth in Althen. Joint Submission at 1-2.
    IV.    MEDICAL TERMINOLOGY
    Epileptic encephalopathy encompasses a large group of disorders, in which an infant or
    child typically has several types of seizures associated with developmental slowing or regression
    that might follow seizure onset or exacerbation. Resp. Ex. E at 1. 5 It is associated with a high
    probability of encephalopathic features that present or worsen after the onset of epilepsy. Resp.
    Ex. A at 12 (citing Resp. Ex. C).6 Epileptic encephalopathy can present along a continuum of
    severity and may occur at any age. 
    Id.
     The condition is most common and severe in infancy and
    early childhood, where global and profound cognitive impairment may occur. 
    Id.
     The onset of
    epileptic encephalopathies may occur against a background of normal or delayed development.
    Resp. Ex. E at 1.
    Epileptic encephalopathy embodies the notion that the epileptic activity itself may
    contribute to severe cognitive and behavioral impairments above and beyond what might be
    expected from the underlying pathology alone (e.g., cortical malformation), and that these can
    worsen over time. Resp. Ex. A at 12 (citing Resp. Ex. C). The cause of epileptic
    encephalopathy is unknown in the majority of cases. Resp. Ex. R at 1. 7
    V.     BACKGROUND
    A.      Summary of Relevant Facts
    1.     2013 Records
    T.C. was born on September 9, 2013. Pet. Ex. 2 at 3. There were no complications with
    petitioner’s pregnancy. Id. at 50. Additionally, no labor and delivery complications were
    documented.
    5Amy McTague et al., The Genetic Landscape of the Epileptic Encephalopathies of Infancy and
    Childhood, 15 Lancet Neurology 304 (2016).
    6Anne T. Berg et al., Revised Terminology and Concepts for Organization of Seizures and
    Epilepsies: Report of the ILAE Commission on Classification and Terminology, 2005-2009, 51
    Epilepsia 676 (2010).
    7Fadi F. Hamdan et al., High Rate of Recurrent De Novo Mutations in Developmental and
    Epileptic Encephalopathies, 101 Am. J. Hum. Genetics 664 (2017).
    4
    On September 13, 2013, T.C. presented to Dr. Alaaeldin Moawad at Long Island
    Pediatrics of Brentwood, P.C. (“Long Island Pediatrics”) for a newborn visit. Pet. Ex. 2 at 50.
    T.C. was reported as doing well. Id. Dr. Moawad noted there was a “bright spot” on T.C.’s
    previous sonogram and recommended petitioner follow up with a cardiac evaluation. Id. Dr.
    Moawad’s assessment was diaper rash and “undiagnosed cardiac murmurs.” Id. at 50-51. The
    hepatitis B vaccine was administered. Id. at 51. No adverse reaction to the vaccination was
    noted.
    T.C. returned to Long Island Pediatrics for her one month follow up appointment with
    Dr. Ramon Ferrand on October 11, 2013. Pet. Ex. 2 at 48. Dr. Ferrand documented that T.C.
    was doing well and had normal findings after an evaluation by a cardiologist. Id.
    On October 25, 2013, T.C. presented to Dr. Moawad due to a rash. Pet. Ex. 2 at 46. Dr.
    Moawad prescribed hydrocortisone cream and administered a second hepatitis B vaccine. Id. at
    46-47. No adverse reaction to the vaccination was noted. T.C.’s neurological exam was normal.
    Id. at 46.
    T.C. returned to Dr. Moawad for a two month well baby visit on November 13, 2013.
    Pet. Ex. 2 at 44. T.C. received Pediarix (DTaP, hepatitis B, IPV), pneumococcal conjugate, Hib,
    and rotavirus vaccinations. Id. No adverse reaction to the vaccinations was noted.
    On December 14, 2013, T.C. presented to Dr. Ferrand for complaints of constipation.
    Pet. Ex. 2 at 39. T.C. did not have any fever, vomiting, or abdominal pain. Id. Examination
    revealed constipation, feeding difficulties, and exotropia.8 Id. T.C.’s neurological exam was
    documented as normal.
    2.      2014 Records
    T.C. presented to Dr. Moawad on January 13, 2014 for a four month well baby visit. Pet.
    Ex. 2 at 37. Her developmental assessment was appropriate for her age. Id. She was noted as
    having congestion and her “eyes do not line up.” Id. She was assessed with unspecified
    exotropia and administered DTaP, Hib, and rotavirus vaccinations. Id. at 37-38. No adverse
    reaction to the vaccinations was noted.
    On January 20, 2014, petitioner and T.C. returned to Dr. Ferrand for the IPV vaccine.
    Pet. Ex. 2 at 35. Pediatric exam was normal. Id. No adverse reaction to the vaccination was
    noted.
    T.C. presented to the Good Samaritan Hospital Medical Center (“Good Samaritan”)
    Emergency Department (“ED”) on January 26, 2014 for crying spells for two days and a
    temperature of 100.3 degrees. Pet. Ex. 5 at 7. Dr. Luzviminda Santangelo diagnosed T.C. with
    8Exotropia is “strabismus in which there is permanent deviation of the visual axis of one eye
    away from that of the other, resulting in diplopia.” Exotropia, Dorland’s Online Med.
    Dictionary, https://www.dorlandsonline.com/dorland/definition?id=17892 (last visited June 9,
    2022).
    5
    nasal congestion and upper respiratory infection. Id. On examination, she was normal with a
    low-grade fever. Id. at 10. T.C. tested negative for influenza A and B antigens. Id. She was
    discharged home. Id. at 13.
    On January 29, 2014, T.C. followed up with Dr. Ferrand for congestion. Pet. Ex. 2 at 33.
    Chief complaints were congestion, follow up from ophthalmology, and she “can’t hold head
    upright.” Id. Dr. Ferrand assessed T.C. with “other disease of nasal cavity and sinuses” and
    developmental coordination disorder due to not fixating on objects properly and mild head lag.
    Id.
    On January 30, 2014, T.C. arrived at Good Samaritan ED for congestion and “loud
    sounds when feeding” and her “body tensed up like she couldn’t breath[e] for about 1 min[ute].”
    Pet. Ex. 5 at 31-32. Dr. Rudolph Badleo documented T.C. “had no seizure-like activity but has
    been having a constant [muscle twitches] which as per mom said she was born [with]. Mom said
    she told her pediatrician and her pediatrician said it was normal.” Id. at 33. Petitioner reported
    she noticed T.C. “seems to twitch more frequent than before.” Id. at 45. T.C.’s twitches were
    also described as “shivering.” Id. On examination, Dr. Badleo noted T.C. was “constantly
    thrashing around” and “[did] not make eye contact.” Id. at 35. T.C. was admitted and the initial
    impression was twitching vs. seizure vs. hypertonia vs. cerebral palsy. Id. An X-ray of the chest
    on January 31, 2014 showed “[m]ild peribronchial thickening without focal consolidation or
    effusion.” Id. at 44.
    Dr. Meghna Shah examined T.C. on January 31, 2014. Pet. Ex. 5 at 60. Dr. Shah
    documented her history of upper respiratory symptoms for four days prior and an episode of
    “stiffening of body with staring.” Id. at 61. Petitioner denied T.C.’s “eyes roll[ed] back,
    foaming at mouth, color change, shaking or tonic-clonic motions of extremities.” Id. The
    episode “[l]asted ~1 minute, [T.C.] picked up by mom, then immediately relaxed and started
    crying.” Id. Physical exam was significant for constant fidgeting and movement. Id. “Parents
    state [T.C. has had] intermittent ‘shivering’ movements since birth.” Id. Dr. Shah noted T.C.
    had an outpatient neurology appointment scheduled due to “not holding head up.” Id.
    Later on January 31, 2014, T.C. was assessed with possible febrile seizure and benign
    myoclonic jerks. Pet. Ex. 5 at 67-68. A consultant note, documented by Dr. Sarita Duchatelier,
    noted that “[m]om had [] concerns about what sounds like benign myoclonic jerks (1 or 2 at a
    time) of mostly left shoulder that have occurred off and on since birth.” Id. at 69. An
    electroencephalogram (“EEG”) performed “was markedly abnormal, even more so during a brief
    myoclonic jerk, EEG perhaps suggestive of hypsarr[hythmia].”9 Id. at 75. The EEG showed
    “high voltage spike and slow waves . . . with burst suppression consistent with epileptic -form
    activity.” Id. at 81. A computed tomography (“CT”) scan was ordered to rule out brain atrophy
    or other lesion. Id. at 75. The CT brain scan without contrast done the next day, on February 1,
    2014, was normal. Id. at 80.
    9Hypsarrhythmia is “an electroencephalographic abnormality sometimes observed in infants,
    with random, high-voltage slow waves and spikes that arise from multiple foci and spread to all
    cortical areas.” Hypsarrhythmia, Dorland’s Online Med. Dictionary,
    https://www.dorlandsonline.com/dorland/definition?id=24469 (last visited June 9, 2022).
    6
    T.C. was assessed by Dr. Keith Chucheong due to seizure activity on February 1, 2014.
    Pet. Ex. 5 at 77. His assessment was new onset epilepsy. Id. He ordered brain magnetic
    resonance imaging (“MRI”). Id. On February 3, 2014, an MRI without contrast showed “[n]o
    evidence of acute intracranial pathology.” Id. at 92-93. Dr. Duchatelier examined T.C. and
    noted T.C. had hypotonia with head lag, increased extra-axial fluid in the temporal lobe, and
    dysmorphic features. Id. at 93. A repeat MRI was suggested in three months. Id. T.C. was
    discharged home with instructions to continue on phenobarbital. Id.
    T.C. returned to the Good Samaritan ED on February 4, 2014. Pet. Ex. 5 at 187.
    Registered Nurse (“RN”), Ms. Ruth Tompkins, stated T.C. “arrived crying and suddenly
    stop[ped] . . . . When the baby stops crying, her eyes sunset [then] move around in different
    directions without making eye contact. The baby will then start to cry again. Seizure-like
    pulsation noted in arms and legs at times.” Id. T.C. had a seizure in the ED, Ativan was
    administered and T.C. was readmitted to the hospital. Id. at 196-200.
    On February 5, 2014, Dr. Daniel Engelberg documented T.C. was having seizure-like
    activity. Pet. Ex. 5 at 207.
    [T.C.] noted to be rigidly flailing both arms and moving head around with left
    lateral deviation of eyes as well as bucking of the torso. Eyes noted to be open
    during seizure. Order for [A]tivan was placed but event broke on it[]s own after 3
    minutes and [A]tivan was not given. Child after event was noted to be post ictal
    and have some drool noted at mouth. Additionally[,] eyes remained deviated to
    the left when lids were retracted.
    Id. A few hours later, T.C. likely experienced an additional seizure and Ativan was
    administered. Id. at 208. An EEG was performed. Id. Dr. Chucheong reviewed the EEG and
    found “[general] polyspike and wave, some slowing and burst su[p]pression pattern during
    st[age] 2 sleep. But [n]o electrographic [seizure] noted.” Id. at 209. The assessment was
    refractory epilepsy. Id. at 210. Dr. Chucheong recommended beginning Keppra. Id.
    The next day, on February 6, T.C. was noted to have additional seizures. Pet. Ex. 5 at
    219-20. A vitamin B6 trial EEG was performed and showed “significant improvements, less
    disorganized, fewer spikes and less discontinuous.” Id. at 223. The impression was “[l]ikely
    pyridoxine responsive seizures.” Id. Additionally, after observation, T.C. was noted to have
    possible gastrointestinal reflux. Id. at 236. She was placed on Zantac. Id. at 218. A nutritional
    consultation on February 10 raised concerns about poor nutritional intake, which was thought to
    relate to T.C.’s vitamin B6 deficiency seizures. Id. at 253.
    On February 10, 2014, a repeat MRI without contrast revealed unremarkable findings.
    Pet. Ex. 5 at 255. A repeat EEG continued to show “polyspikes and slow waves but improved.”
    Id. at 262, 265. T.C. was discharged on February 11, with the recommendation to follow up with
    a geneticist and neurology. Id. at 268.
    7
    T.C. followed up with Dr. Ferrand after her hospital admission for unspecified seizure
    disorder and “[gastroesophageal] acid reflux” on February 12, 2014. Pet. Ex. 2 at 30. T.C.’s
    parents were concerned about her poor appetite, but reported no fever or seizure activity since
    she was discharged from the hospital. Id. T.C.’s pediatric exam was otherwise normal, and Dr.
    Ferrand assessed her with “other forms of epilepsy and recurrent seizures, without mention of
    intractable epilepsy.” Id. Dr. Ferrand recommended T.C. follow up with neurology and
    continue phenobarbital and Keppra. Id. at 30-31.
    T.C. presented to the North Shore University emergency room (“ER”) on February 16,
    2014, for four to six seizures per day involving eye rolling and arm twitching, which each lasted
    about one minute. Pet. Ex. 13 at 4. She was transferred to Cohen Children’s Medical Center.
    Id. at 6.
    On March 5, 2014, T.C. presented to Dr. Moawad for a follow up from the ER for seizure
    disorder and gastroesophageal reflux disease (“GERD”). Pet. Ex. 2 at 27. Dr. Moawad
    recommended T.C. continue Zantac for esophageal reflux and follow up with a pediatric
    neurologist for “unspecified epilepsy.” Id.
    T.C. returned to Dr. Ferrand on March 20, 2014 for a well-baby visit. Pet. Ex. 2 at 24.
    T.C. was reported to have seizures and routine visits scheduled with neurology and cardiology.
    Id. T.C. had cough, congestion, and a slight fever of 100.2 degrees. Id. She could not hold her
    head up, or sit without support, and had “decreased tone in general.” Id. Dr. Ferrand
    recommended ibuprofen for an acute upper respiratory infection. Id. at 25.
    On April 30, 2014, T.C. was hospitalized at North Shore-Long Island Jewish Hospital
    due to vomiting and increased seizure activity. Pet. Ex. 6 at 59. T.C. required two doses of
    Ativan in the ED to control a prolonged seizure. Id. at 64. Testing revealed she was positive for
    rhinovirus and enterovirus. Id. at 65. On May 3, 2014, a progress note stated that T.C. had
    “cryptogenic infantile spasms now with tonic seizures,” and a flu-like illness, with increased
    seizure activity. Id. at 22. An EEG revealed hypsarrhythmia. Id. at 31. Additionally, T.C. was
    diagnosed with dysphagia. Pet. Ex. 8 at 501. T.C. was discharged on May 8, 2014. Pet. Ex. 6 at
    9.
    On May 6, 2014, T.C. underwent continuous video EEG monitoring at North Shore
    Medical Center. Pet. Ex. 8 at 502. The EEG showed severe diffuse epileptic encephalopathy.
    Id. at 506. “The seizures were [] different from more typical spasms in that in between the
    spasms there was behavior arrest with severe attenuation in the background activity.” Id.
    On May 10, 2014, T.C. presented to Dr. Ferrand for congestion and cough lasting one
    week. Pet. Ex. 2 at 21. Dr. Ferrand noted T.C. was hospitalized the prior week for positive
    rhinovirus with increased congestion. Id. Dr. Ferrand assessed acute bronchiolitis, acute upper
    respiratory infection, and infantile spasms. Id. at 22. T.C. followed up with Dr. Ferrand on May
    13, 2014 for bronchiolitis. Id. at 18. Dr. Ferrand instructed petitioner to take T.C. to the ED for
    oxygen and steroid treatment secondary to hypoxia. Id. at 19.
    8
    T.C. followed up with Dr. Ferrand on May 15, 2014. Pet. Ex. 2 at 16. Petitioner reported
    T.C.’s bronchiolitis was improved, but T.C. continued to have fevers. Id. Dr. Ferrand
    recommended T.C. start amoxicillin and follow up with him in a few days. Id. at 17. On May
    20, 2014, T.C. presented to Dr. Ferrand with nasal congestion, diarrhea, and not sleeping well.
    Id. at 12. Dr. Ferrand recommended saline nasal drops and albuterol nebulizer. Id. at 13. T.C.
    also visited her pediatric neurologist, Dr. Marrie Sykho on May 20, 2014. Pet. Ex. 8 at 497.
    T.C.’s assessments were neurological movement disorder; early infantile epileptic
    encephalopathy, refractory; infantile spasms; and global developmental delay. Id.
    T.C. underwent an evaluation with a cardiologist on May 22, 2014, due to an
    echocardiogram that showed “a mildly dilated root and ascending aorta.” Pet. Ex. 8 at 491. An
    EEG was performed on May 29, 2014 showed “severe bilateral cerebral dysfunction.” Id. at
    485.
    T.C. underwent a medical genetics assessment at Children’s Medical Center of New York
    on June 5, 2014. Pet. Ex. 8 at 444. T.C.’s medical history indicated diagnoses for epileptic
    seizures, infantile spasms, GERD, and severe developmental delay. Pet. Ex. 11 at 2, 4. Family
    history revealed T.C.’s maternal great grandmother had a history of seizures. Id. at 3. Genetic
    testing revealed an interstitial deletion of “uncertain significance” in chromosome 9. Pet. Ex. 8
    at 444. There was a defect in the PSAT1 gene, which “codes for phosphoserine
    aminotransferase. Its deficiency may result in neurological effects or schizophrenia due to low
    levels of serine. The deletion was found to be maternally inherited.” Pet. Ex. 11 at 6. The
    etiology of T.C.’s neurological problems remained unknown. Id.
    In June 2014, T.C.’s diagnoses included early infantile epileptic encephalopathy
    (refractory), global developmental delay, infantile spasms, and neurological movement disorder.
    Pet. Ex. 8 at 435. Throughout 2014, T.C. underwent numerous medical evaluations and tests,
    and was repeatedly hospitalized. See, e.g., id. at 81, 171-73, 322-26, 377, 405, 423-28, 433-35,
    446-50; Pet. Ex. 11 at 2-10. Due to poor feeding and several nutrition issues, a G-tube was
    placed in September 2014. Pet. Ex. 14 at 27. She began to receive occupational and physical
    therapies. Pet. Ex. 8 at 377.
    3.      2015 to Present Records
    T.C. presented to the ED on January 11, 2015 for “extreme lethargy.” Pet. Ex. 5 at 378.
    T.C.’s exam was normal, though petitioner reported T.C. had seizures every day. Id. at 381-82.
    T.C. was diagnosed with dehydration and discharged home. Id. at 399.
    T.C. underwent an overnight video EEG on January 17-18, 2015. Pet. Ex. 8 at 126. The
    EEG was abnormal due to indications of electroclinical seizures, multifocal myoclonic,
    hypsarrhythmia, multifocal spikes, and generalized slow-spike-wave complexes. Id. at 129.
    On February 26, 2015, T.C. presented to North Shore Medical Group for a consultation
    due to symptoms of failure to thrive and feeding problems. Pet. Ex. 8 at 47. T.C. followed up
    with North Shore Medical Group, Division of Medical Genetics on May 28, 2015. Pet. Ex. 11 at
    6. Additional testing was recommended. Id.
    9
    Another video EEG performed from September 16 through 19, 2015 showed generalized
    background slowing and disorganization, multifocal spikes, and was indicative of diffuse
    encephalopathy. Pet. Ex. 9 at 296.
    On February 1, 2016, T.C. followed up with her neurologist Dr. Sykho. Pet. Ex. 9 at 81.
    Dr. Sykho documented T.C.’s seizures were intractable, and she had daily twitches. Id. at 86.
    T.C. received her results from a molecular genetics test done at Columbia University
    Medical Center on November 22, 2016. Pet. Ex. 52 at 2. The test results showed a GABRB2
    abnormality of “uncertain clinical significance.” Id. The results stated:
    Analysis of parental samples . . . shows that this variant is not present in either
    parent and is a de novo finding in this individual. . . .
    The P252L missense variant causes a substitution of proline by leucine at
    position 252 in the GABRB2 protein. This proline residue is well conserved
    across species. This variant is predicted to be deleterious and damaging to protein
    structure and/or function based on in silico analyses . . . . This variant has not
    been observed . . . indicating it is not a common benign variant in the populations
    represented in these databases. To the best of our knowledge, currently this
    variant has not been reported to be associated with disease.
    GABRB2 is a member of the GABA-A receptor gene family of ligand-
    gated ion channels through which GABA, the major inhibitory neurotransmitter in
    the mammalian brain, acts. This gene has not been associated with Mendelian
    disease per the OMIM database (accessed November 16, 2016). However,
    variants in this gene have been described as candidate variants for cerebral visual
    impairment . . . as well as seizures . . . .
    At this time, the clinical significance of variants in the GABRB2 gene
    remains uncertain. Additional information may become available in the future, so
    a periodic review of the literature is recommended.
    Id. The researchers at Columbia also attached the medical article by Srivastava et al.,10 which
    reported a missense mutation11 in the β2 subunit of the GABAA receptor was a cause of genetic
    epilepsy and intellectual disability. Id. at 4. Srivastava et al. described the condition of a 12-
    year-old girl with intellectual disability and epilepsy, and who through whole exome sequencing,
    10Siddharth Srivastava et al., A Novel Variant in GABRB2 Associated with Intellectual
    Disability and Epilepsy, 164A Am. J. Med. Genetics Part A 2914 (2014).
    11 A missense mutation is “a mutation that changes a codon so that it codes for a different amino
    acid.” Missense Mutation, Dorland’s Online Med. Dictionary,
    https://www.dorlandsonline.com/dorland/definition?id=91053 (last visited June 8, 2022).
    10
    was discovered to have a de novo 12 heterozygous missense variant in exon 4 of GABRB2. Id.
    The authors believed the missense variant was likely pathogenic and called for additional
    investigation. Id.
    T.C. was admitted to the Northwell Health ED for vomiting on January 22, 2018. Pet.
    Ex. 24 at 5. At that time, T.C. was noted to be ventilator dependent and G-tube feed dependent.
    Id. Due to severe GERD and episodes of vomiting, T.C.’s G-tube was replaced with a G-J tube
    on January 24, 2018. Id. at 7.
    On April 23, 2018, T.C. was readmitted to Northwell Health Hospital for vomiting. Pet.
    Ex. 37 at 1. Medical history taken by Nurse Practitioner Cristina Farrell, stated T.C. had a
    “GABA receptor abnormality resulting in seizure disorder.” Id. at 3. T.C. had a lactose and
    gluten intolerance. Id. at 5. T.C. was discharged the next day after ingesting and tolerating
    Pedialyte. Id. at 7, 19.
    Records reflecting T.C.’s visits to pediatrician Dr. Sophia Jan beginning April 27, 2018
    through April 17, 2021, show that on January 28, 2021, T.C. was ventilator dependent 24 hours a
    day. Resp. Ex. GG at 19. Her list of active problems from 2018 to 2021 included infantile
    spasms, intellectual disability with epilepsy, and “Refractory Lennox-Gastaut syndrome.”13 Id.
    at 19-20, 100, 124, 135, 144.
    On March 5, 2021, T.C. saw Dr. Sykho for a follow up of her global developmental
    delay, intractable epilepsy, and abnormal genetic test. Resp. Ex. FF at 12. She was seven years
    old. Id. Dr. Sykho had been caring for T.C. since she began having “infantile spasms” at 4
    months of age. Id. Recently, T.C.’s seizures had increased due to illness. Id. T.C. was off the
    ventilator for part of the day, but otherwise remained ventilator dependent. Id. She had 24 hour
    nursing care excluding Sundays. Id. T.C. was also attending school when she had nurses
    available to go with her. Id. Records reveal that numerous medications have been prescribed for
    seizures as well as T.C.’s other medical problems. Id. at 15-16. Dr. Sykho noted that genetic
    testing revealed a variant of unknown significance at the GABRB2 gene. Id. at 13. Dr. Sykho’s
    assessment was “Breakthrough seizure, Refractory Lennox-Gastaut syndrome, Global
    developmental delay, Dependent on ventilator, [and] Hypotonia.” Id. at 16.
    12 De novo here means a “genetic alteration that is present for the first time in one family
    member as a result of a variant (or mutation) in a germ cell (egg or sperm) of one of the parents,
    or a variant that arises in the fertilized egg itself during early embryogenesis.” De Novo
    Mutation, Nat’l Inst. Health: Nat’l Cancer Inst. Dictionaries,
    https://www.cancer.gov/publications/dictionaries/genetics-dictionary/def/de-novo-mutation (last
    visited June 22, 2022).
    13 Lennox-Gastaut syndrome is “an atypical form of absence epilepsy characterized by diffuse
    slow spike waves, often with atonic, tonic, or clonic seizures and intellectual disability; there
    may also be other neurologic abnormalities or multiple seizure types.” Lennox Syndrome,
    Dorland’s Online Med. Dictionary, https://www.dorlandsonline.com/dorland/definition?id=
    110889 (last visited June 8, 2022).
    11
    B.      Petitioner’s Affidavit and Testimony
    1.      Petitioner’s Affidavit
    In petitioner’s affidavit, dated November 22, 2016, petitioner stated that “[f]rom birth,
    [petitioner] noticed [T.C.] had twitching and shivering type movements.” Pet. Ex. 3 at ¶ 4.
    Petitioner stated when T.C. was one month old, petitioner noticed she “startled for no reason.”
    Id. at ¶ 3. Petitioner mentioned her concern to T.C.’s physician and “he said it was normal for
    newborns to startle and it was because her nervous system was immature.” Id. “One week after
    [T.C.]’s two month vaccines, [petitioner] started noticing her left arm twitching.” Id. at ¶ 4.
    Petitioner brought this up with T.C.’s physician and was again told it was due to T.C.’s immature
    nervous system. Id.
    On January 13, 2014, after her four month vaccinations, T.C. had a fever and was fussy
    and irritable for a couple days. Pet. Ex. 3 at ¶ 5. Petitioner was told that reaction was expected
    and to give T.C. Tylenol. Id. When petitioner went to feed T.C. later, petitioner “saw her eyes
    roll up and her body stiffen. . . . When [petitioner] picked her up she gasped for air and started
    crying.” Id. at ¶ 6. “After that[,] [T.C.] would not stop crying for about three hours so
    [petitioner] decided to take her to Good Samaritan Hospital.”14 Id.
    At Good Samaritan Hospital, T.C. underwent multiple tests and was diagnosed with
    epilepsy. Pet. Ex. 3 at ¶ 7. After discharge from the hospital, T.C. “was seizing 24/7” and would
    not eat. Id. at ¶ 8. Petitioner brought T.C. back to the hospital and was transferred to Cohen
    Children’s Medical Center. Id. They repeated several tests and diagnosed T.C. with “Early
    Infantile Encephalopathy, Epilepsy (generalized seizures and infantile spasms).” Id.
    As “of July 2016, [T.C.] has had several surgeries to have a tracheostomy placed and a
    [vagus nerve stimulator] implant for seizures. She is ventilator dependent . . . . She had the
    [vagus nerve stimulator] implant for seizures but she still has daily seizures.” Pet. Ex. 3 at ¶ 10.
    2.      Petitioner’s Hearing Testimony
    During the entitlement hearing, petitioner testified regarding her own experiences and the
    course of T.C.’s illness. Petitioner stated T.C. was born a healthy baby and there were “no
    complications until about from two months to four months, [when] she started presenting some
    type of twitches.” Transcript (“Tr.”) 8. At the hearing, petitioner stated she started noticing T.C.
    twitching at two months of age. Tr. 20.
    Petitioner stated at four months old, T.C. was administered vaccines and had “a few days
    of fever and discomfort.” Tr. 8. Petitioner stated T.C. was inconsolable and very fussy. Tr. 11.
    Petitioner called her pediatrician and was told to give T.C. Tylenol every six hours. Id. Shortly
    14T.C. was taken to Good Samaritan Hospital on January 26, 2014 for crying spells for two days
    and a temperature of 100.3 degrees. Pet. Ex. 5 at 7.
    12
    thereafter, T.C. had a seizure and was rushed to the hospital. 15 Tr. 8. At the hospital, T.C.
    “started having more of trembling seizures or twitches, like consecutive twitches.” Tr. 12. The
    seizures were increasing in time and severity. Id.
    Petitioner stated that illness triggers seizure activity for T.C. Tr. 19. However, there
    does not need to be a fever to trigger a seizure. Id. Seizure activity can occur from T.C.
    vomiting due to complications from digestion, or “even any seasonal allergy, from a little cold.”
    Id.
    At the entitlement hearing in April 2020, petitioner stated T.C. receives “twenty-four
    hour care, 24/7.” Tr. 12. T.C. currently “is on a ventilator for breathing. She’s on a G -tube for
    feeding. She has a [vagus nerve stimulator] device on her chest for seizures . . . . She is on
    several breathing treatments, and she is bedridden.” Id. Petitioner stated T.C.’s last seizure was
    a few days before the hearing and lasted about four minutes. Tr. 14. T.C. requires petitioner to
    intervene and deliver rescue medication “at least once to twice a week,” every week. Id.
    Petitioner stated T.C. has generalized seizures, myoclonic seizures, and grand mal seizures. Id.
    T.C. sees her neurologist, Dr. Sykho, every two to three months. Tr. 18. T.C. has been
    with Dr. Sykho since she was five months old. Id. T.C. also sees her pediatrician, Dr. Jan, every
    four to six months. Tr. 18-19. T.C. is up to date on her standard childhood vaccinations and gets
    the annual flu vaccine. Tr. 25.
    In regard to T.C.’s genetic testing, petitioner stated she had the same chromosome 9
    deletion that the geneticists found T.C. to have. Tr. 27. Petitioner explained that the doctors
    “dismissed [the chromosome 9 deletion] as the cause of her illness and her medical issues.” Tr.
    28.
    C.      Expert Reports
    1.     Petitioner – Alan S. Levin. M.D., J.D.16
    a.      Background and Qualifications
    Dr. Levin graduated medical school at the University of Illinois in Chicago in 1963, then
    completed a one-year fellowship in pediatric immunology at Harvard University, followed by an
    internship at Boston Children’s Hospital. Pet. Ex. 72 at 1. He subsequently completed a
    postdoctoral fellowship in pediatric immunology. Id. Dr. Levin is board certified in allergy and
    immunology, clinical pathology, and emergency medicine. Id. Currently, Dr. Levin is part of
    the faculty at University of California San Francisco and conducts research on Alzheimer’s
    disease and use of anti-cytokine treatment for Alzheimer’s disease. Tr. 31. He works as a
    consultant and gives lectures regarding vaccines. Id. Dr. Levin received his J.D. from Golden
    Gate University in 1995. Pet. Ex. 51 at 1. He is a member of the California bar, Nevada bar, and
    15   Again, the date of this hospitalization was January 26, 2014.
    16   Dr. Levin filed three expert reports. Pet. Exs. 15, 16, 66.
    13
    Texas bar. Id. Dr. Levin has authored or co-authored over 60 articles and letters. Pet. Ex. 72 at
    4-9. Dr. Levin has not treated a pediatric patient with seizures in approximately thirty years. Tr.
    66.
    b.      Opinion
    Dr. Levin opined “[t]his is a complicated case in which the initial neurologic abnormality
    was an enhanced startle reflex at one month of age.” Pet. Ex. 15 at 3. “Exaggerated startle
    reflexes in infants can be a prodrome of seizure disorders of which the pathogenesis is probably
    related to an increased excitability of various parts of the infant brain.” Id. The exaggerated
    startle reflexes were followed by twitching of the left arm, which spread over the right arm with
    lip smacking. Id. T.C.’s physicians initially considered T.C.’s twitching to be “neurologic
    immaturity.” Id. at 3-4. Importantly, Dr. Levin opined that T.C.’s startle reflex began after the
    vaccinations and that “[n]one of the symptoms predated her vaccination. She was vaccinated on
    day one or two.” 17 Tr. 50, 54.
    Dr. Levin stated T.C. received 28 separate vaccinations prior to her January 30, 2014
    seizure. Pet. Ex. 15 at 3-4. He opined that the adjuvants in the vaccines “are designed to evoke a
    vigorous production of proinflammatory cytokines such as IL-6 (interleukin 6) and IL-1β
    (interleukin 1 beta). These cytokines compromise the integrity of the endothelial cells of the
    blood brain barrier.” Id. at 4 (citing Pet. Ex. 43).18 According to Dr. Levin, cytokines readily
    cross the blood brain barrier and provoke the further production of intra-cranially produced
    proinflammatory cytokines by astrocytes and microglia. Id. (citing Pet. Exs. 42,19 46,20 47,21
    48).22 Dr. Levin opined, “[i]t is now widely accepted that these cytokines markedly reduce the
    excitatory threshold of various neurons.” Id. (citing Pet. Ex. 44).23 Dr. Levin opined “the
    purpose of vaccines is to create an inflammatory response. The problem is that under certain
    17This is incorrect. T.C. received her first vaccination, a hepatitis B vaccination, on September
    13, 2013, at four days of age. Pet. Ex. 2 at 51.
    18Helga E. de Vries et al., The Influence of Cytokines on the Integrity of the Blood-Brain Barrier
    In Vitro, 64 J. Neuroimmunology 37 (1996).
    19ManKin Choy et al., Inflammatory Processes, Febrile Seizures, and Subsequent
    Epileptogenesis, 14 Epilepsy Currents 15 (2014).
    20   Gang Li et al., Cytokines and Epilepsy, 20 Seizure 249 (2011).
    21Andrey M. Mazarati, Cytokines: A Link Between Fever and Seizures, 5 Epilepsy Currents 169
    (2005).
    22Annamaria Vezzani & Tallie Z. Baram, New Roles for Interleukin-1 Beta in the Mechanisms
    of Epilepsy, 7 Epilepsy Currents 45 (2007).
    23Celine Dubé et al., Interleukin-1β Contributes to the Generation of Experimental Febrile
    Seizures, 57 Annals Neurology 152 (2005).
    14
    circumstances, in individuals who have a genetic propensity to develop illness as a result of
    uncontrolled inflammatory response, then vaccines can cause adverse events.” Tr. 42.
    While extremely rare, Dr. Levin testified that there is an “unquestionable increase in the
    incidents of autoimmune disease in our children.” Tr. 42. Dr. Levin cited a 2000 article by Dr.
    Fritz Bach 24 for support. Id. (citing Pet. Ex. 80). Bach stated, “[e]pidemiologic data provide
    strong evidence of a steady rise in the incidence of allergic and autoimmune diseases in
    developed countries over the past three decades.” Pet. Ex. 80 at 1. Bach cites examples of
    asthma, rhinitis, atopic dermatitis, multiple sclerosis, type 1 diabetes, and Crohn’s disease. Id.
    Bach provides little to no discussion about vaccination, but does state vaccination with bacille
    Calmette-Guérin did not reduce the incidence of “selected allergic and autoimmune diseases” in
    patients with type 1 diabetes. Id. at 7. However, Dr. Levin did not explain how the increase in
    incidence of autoimmune disease was relevant to his theory here. Further, Bach stated, “[i]t is
    important to stress that there are no solid data indicating either a positive or a negative role of
    vaccinations in the development of autoimmune or allergic diseases.” Id.
    Regarding Althen Prong One, Dr. Levin referenced the de Vries et al. article and stated,
    “vaccines in general cause a vigorous release of systemic proinflammatory cytokines which
    compromise the integrity of the endothelial cells and the integrity of the blood brain barrier.
    These proinflammatory cytokines provoke the production of pro-inflammatory cytokines
    intracranially by astroglia and microglia.” Pet. Ex. 15 at 4 (citing Pet. Ex. 43). “Pro-
    inflammatory cytokines reduce the excitatory threshold of neurons and are a cause of aberrant
    firing and seizures.” Id. Dr. Levin concluded that “vaccine[s] cause seizures through the action
    of pro-inflammatory cytokines on neurons.” Id. While de Vries et al. address the effects that
    cytokines have on the blood brain barrier, they did not discuss vaccines, seizures, or epilepsy.
    Dr. Levin testified that “[c]ytokines cause neurologic aberrations, aberrant release of
    neurologic signals, and in some people [] cognitive malfunction. In other people[,] [cytokines
    cause] [] motor malfunction. And cognitive and motor malfunctions have been labeled as
    seizures because that just is a description.” Tr. 43-44. Dr. Levin stated that seizures are also
    listed on the package inserts of the vaccines. 25 Tr. 48.
    When asked whether he filed medical literature to support that the theory that post-
    vaccination inflammation triggers central nervous system (“CNS”) disorders, Dr. Levin stated,
    “[n]o, because it’s generally recognized. It wasn’t necessary to present that information.” Tr.
    24Jean-Francois Bach, The Effect of Infections on Susceptibility to Autoimmune and Allergic
    Diseases, 
    347 New Eng. J. Med. 911
     (2002).
    25The Pediarix (DTaP, hepatitis B, IPV) package insert warns about seizures “with or without
    fever occurring within 3 days” of vaccination. Pet. Ex. 74 at 4. For children at risk for se izures,
    the package insert indicates “an appropriate antipyretic may be administered at the time of
    vaccination.” 
    Id. at 5
    . The DTaP (warning of seizures withing 3 days), hepatitis B,
    pneumococcal, and rotavirus (warning of seizures within 42 days) package inserts also warned
    about seizures. Pet. Exs. 75, 76, 78, 79. Seizures are not listed in the Hib or IPV vaccine inserts.
    Pet. Exs. 73, 77.
    15
    84. Respondent asked if Dr. Levin could “point to any research that supports [his] opinion,” Dr.
    Levin replied, “[n]o, because it’s in the package insert. It’s general knowledge.” 
    Id.
    Differentiating the etiology of fever and seizures, in response to Dr. Wiznitzer’s report,
    Dr. Levin stated, “cytokines evoked from vaccines can cause both fever and seizures but the
    pathophysiology of these two disorders are completely different.” Pet. Ex. 66 at 1 (citing Pet.
    Ex. 44). Dubé et al.26 states fever is a systemic response to inflammation and can evoke febrile
    seizures. Pet. Ex. 44 at 1. Interleukin-1β (“IL-1β”), acts as a pyrogen, causing fever and can
    lead to enhanced neuronal excitability and decreased seizure threshold. 
    Id.
     The study suggests
    IL-1β “contributes to the generation of human [febrile seizures], and it potentially contributes to
    long-lasting hyperexcitability and excitotoxicity associated with hippocampal epilepsy.” 
    Id. at 4
    .
    However, Dr. Levin testified that “cytokines can cause seizures without fever,” and that “the
    mechanism of increased temperature and the mechanism of neuro-reactivity are biochemically
    different.” Tr. 51. Dr. Levin opined, “[s]uccessful vaccination requires the release of cytokines
    from immune reactive cells. Seizures are an adverse event, unrelated to fever, that interrupt
    normal neuronal function.” Pet. Ex. 16 at 1 (citing Pet. Ex. 68).27
    Dr. Levin opined, “[t]herefore, vaccines cause seizures through the action of pro-
    inflammatory cytokines on neurons.” Pet. Ex. 15 at 4. He stated that T.C.’s vaccines “directly
    stimulate[d] all arms of the immune system with multiple separate antigens and adjuvants at the
    same time. This disrupts the homeostatic balance of the immune system and causes most of the
    vaccine adverse events we are experiencing.” 
    Id.
    In support of his opinions, Dr. Levin cited a number of medical articles. In a paper by
    Choy et al., the authors reviewed and described studies that investigated the role of inflammation
    in fever, how inflammation leads to febrile seizures, and how it may contribute to the
    development of epilepsy. Pet. Ex. 42. They did not discuss vaccinations.
    Regarding Althen Prong Two, Dr. Levin opined that the “various vaccinations that [T.C.]
    received triggered her neurological abnormalities.” Tr. 36. T.C. was “considered, by her
    treating physicians, as neurologically normal until after she received the last of her 28 separate
    vaccinations and adjuvants. These vaccinations were, more probably than not, a cause or a major
    contributor to her neurologic disease.” Pet. Ex. 15 at 4. T.C.’s mother had a normal pregnancy
    and there was no record of seizures in utero. Tr. 49. Dr. Levin opined T.C.’s “treating physician
    and her obstetrician all felt that she was normal until she was vaccinated.” Tr. 54. He further
    26Dubé et al. does not discuss vaccines. The article also does not discuss seizures independent
    of fever.
    27 Dr. Levin cited Graves v. Secretary of Health & Human Services, 
    109 Fed. Cl. 579
     (2013) in
    support of his opinion. Pet. Ex. 68. That Opinion and Order, however, deals with the
    interpretation of the Vaccine Act as it relates to the statutory cap on pain and suffering damages,
    and does not support the proposition for which it was cited. In Graves, the infant had seizures
    two days after her Prevnar vaccination. No. 02-1211V, 
    2008 WL 4763730
    , at *1 (Fed. Cl. Spec.
    Mstr. Oct. 14, 2008). She was taken to the hospital, where she suffered status epilepticus and
    subsequently died. 
    Id. at *2
    .
    16
    opined that none of T.C.’s symptoms “predated her vaccination. She was vaccinated on day one
    or two.” 
    Id.
    In response to Dr. Wiznitzer’s comments that T.C. had abnormal movements consistent
    with seizures at birth, Dr. Levin stated “[t]he record is clear [T.C.] was considered neurologically
    normal at birth. It was when [T.C.] was one month old, some 26 days after her first vaccination
    with hepatitis B, that she was noted to have an exaggerated startle reflex.” Pet. Ex. 16 at 1. Dr.
    Levin testified, “under normal circumstances, startle reflexes are not unusual, but they could be
    the precursor to a seizure disorder . . . . So, it’s not something that one would identify as clear
    evidence of the presence of a serious central nervous system disorder.” Tr. 50.
    Dr. Levin later stated T.C.’s inflammatory response began on day four of her life when
    she was administered the hepatitis B vaccine. Tr. 80. She then received a second hepatitis B
    vaccine on October 25, “which was prior to the development of neurologic symptomatology.”
    Tr. 80-81. Dr. Levin testified that after T.C.’s January 13 and January 20 vaccinations, her
    cytokines would have been elevated for “about a week or less.” Tr. 90. He opined all of T.C.’s
    vaccinations “evoked cytokines that are biochemically the same, so they probably all
    contributed” to T.C.’s epilepsy. Tr. 81.
    Dr. Levin stated T.C. had elevated, proinflammatory cytokines at the time of her seizures
    based on the fact that she had seizures. Tr. 89. Dr. Levin stated it is “[j]ust common sense and
    knowledge of immunology.” Tr. 90. He stated that other indications of elevated cytokines in
    T.C.’s medical record included a fever. 
    Id.
     When asked how much inflammatory response is
    necessary to trigger a nervous system disorder like the one T.C. has, Dr. Levin responded that
    “nobody knows.” Tr. 81.
    Dr. Levin testified that the systemic inflammation resulting from T.C.’s vaccinations
    caused her to suffer a neurological event that would be viewable on an MRI. Tr. 92. However,
    he did not believe that T.C. had an MRI.28 
    Id.
     Dr. Levin believed T.C. was showing signs of a
    CNS disorder in December 2013, as identified by T.C.’s pediatrician noting unspecified
    exotropia. Tr. 93.
    Respondent’s expert stated T.C.’s epileptic encephalopathy “was clearly present from
    early infancy and, by report, did not worsen in the immediate days after any of her
    immunizations. Rather, it became more evident in conjunction with an upper respiratory
    infection.” Resp. Ex. H at 2. Dr. Levin proposed this statement by Dr. Wiznitzer “indicates that
    he agrees with me that the patient was born with the genetic defect that would have remained
    silent but for the identical cytokines produced by the vaccines (in my opinion) and/or by the
    respiratory infection (Dr. Wiznitzer’s opinion).” Pet. Ex. 66 at 2. Dr. Levin testified that the
    upper respiratory infection and possible other exposure to pathogens could have served as
    another inflammatory process to trigger T.C.’s disorder. Tr. 96. While Dr. Levin opined both
    T.C.’s upper respiratory infection and vaccines triggered her neurological abnormality, he
    28This is incorrect. T.C. did have an MRI, on February 3, 2014, without contrast, and it showed
    “[n]o evidence of acute intracranial pathology.” Pet. Ex. 5 at 92-93. Additionally, on February
    10, 2014, a repeat MRI without contrast revealed unremarkable findings. 
    Id. at 255
    .
    17
    believed that the vaccines initiated the systemic inflammation, which was compounded by
    infection. Tr. 107.
    Dr. Levin agreed with the diagnosis of epileptic encephalopathy resulting from a
    GABRB2 variant. Tr. 94. He opined that the vaccines T.C. received “triggered a genetic
    predisposition to her seizure disorder, and but for . . . those vaccinations, the seizure disorder
    would not have presented at the time that it did.” Tr. 57. He also opined the “idea that a genetic
    mutation causes a disease process is unscientific. If this particular genetic mutation in this child
    caused her or triggered her disease process, she would have been seizing in utero.” Tr. 37. Dr.
    Levin stated, “Dr. Wiznitzer believes that the disease process was latent until she developed a
    viral upper respiratory infection.” Tr. 37. “So, Dr. Wiznitzer believes that the cytokines that are
    released by the viral infection triggered the disease. I believe that the cytokines that were
    released by the vaccination triggered the disease. I believe that we’re both right.” 29 Tr. 38.
    “Genetic mutations don’t cause disease. They cause disease when they’re triggered.” Tr. 43.
    However, Dr. Levin agreed that T.C.’s treating physicians believe that her genetic mutation is
    associated with her neurologic disorder. Tr. 97. And he was unable to reference any medical
    records to show that any of T.C.’s treating physicians attributed her epileptic encephalopathy to
    her vaccinations. Tr. 97-98.
    As for the genetic test results, Dr. Levin testified that T.C.’s genetic tests showed “a
    genetic abnormality on chromosome 9,” which “alters the capacity . . . to appropriately process
    certain proteins.” Tr. 69-70. He also agreed that testing revealed that T.C. had a variant to the
    GABRB2 gene and that the variant was de novo (as opposed to inherited). Tr. 70. Dr. Levin
    stated that when petitioner testified that “she has the same mutation” as her daughter, he was
    unclear what she “was referring too.” 
    Id.
    However, Dr. Levin also testified that given that T.C.’s mother has the “same mutation [30]
    and is totally asymptomatic, and has given birth to two asymptomatic children . . . there’s
    something more than just the mutation that caused [T.C.’s] illness.” Tr. 41. He agreed that T.C.
    29 Later Dr. Levin also agreed that T.C.’s “upper respiratory viral infection” could have served as
    a trigger for her disease process. Tr. 96. He also testified that the vaccines compounded by the
    upper respiratory infection “evoked the neurologic abnormality.” Tr. 107. Dr. Levin did not
    proffer a theory as to how the vaccine and viral infection worked in tandem to trigger T.C.’s
    seizures.
    30 This is incorrect with regard to T.C.’s GABRB2 genetic variant. T.C. has two genetic
    abnormalities. The first was discovered during T.C.’s medical genetics assessment at Children’s
    Medical Center of New York on June 5, 2014, which showed an interstitial deletion of
    “uncertain significance” that was found to be maternally inherited. Pet. Ex. 11 at 6. Further
    testing done November 22, 2016 (molecular genetics test done at Columbia University Medical
    Center) showed a GABRB2 abnormality of “uncertain clinical significance,” which was “a de
    novo finding.” Pet. Ex. 52 at 2. The fact that it was a de novo finding indicates it was not
    inherited. Dr. Levin’s testimony does not account for the fact that T.C.’s GABRB2 abnormality
    is de novo, not inherited, and not shared with her mother. For a more complete explanation of
    T.C.’s two different genetic abnormalities by Dr. Wiznitzer, see Tr. 126-38, 224-25.
    18
    was likely born with the variant. Tr. 72. Dr. Levin also agreed that vaccination was “irrelevant
    in terms of the development of this disorder,” the GABRB2 gene variant. 
    Id.
    Regardless of the variant’s origins, Dr. Levin stated the GABRB2 variant “clinically
    manifests itself as [CNS] disorders.” Tr. 72. He believed that T.C.’s genetic variant caused a
    genetic propensity to develop illness, specifically her central nervous system/seizure disorder,
    after an inflammatory response. Tr. 75-80. He testified that T.C.’s developmental delay and
    cortical visual impairment were due to the seizure disorder. Tr. 80.
    Dr. Levin also found “the temporal association between the vaccinations and the
    neurological disorder is appropriate.” Pet. Ex. 15 at 4. Dr. Levin established a timeline
    indicating T.C. was “vaccinated with [h]epatitis B on day 4 of life. She received the second
    [h]epatitis B vaccination on day 46 of life. She received vaccinations with 22 separate antigens
    and adjuvants on day 65 of life. She received 6 more vaccinations with adjuvants in the next 67
    days of her life.” 
    Id.
     He opined that the timing of all of these vaccinations, “is totally consistent
    with activation of innate immune responses causing the production of pro-inflammatory
    cytokines as well as adaptive immune T and B cells further producing cytokines.” 
    Id.
    Dr. Levin explained that shortly after vaccination, there is “the innate immune response
    and the release of certain cytokines, and then if the vaccination is successful, you have the
    adaptive immune response that happens within a week or two after the initial vaccination and
    happens days or hours after subsequent vaccination with the same or similar antigens.” Tr. 46.
    “The innate immune response is immediate, almost immediate, within hours. And then the
    adaptive immune response takes initially a week or two, and then it lasts for probably a month,
    maybe a month and a half but usually it’s not very serious after the first three or four days.” Tr.
    82.
    Dr. Levin testified T.C. had seizure activity on October 9, 2013,31 within five days of
    vaccination, which manifested as an exaggerated startle reflex. Tr. 99. “[A]t the time [it]
    probably was not considered to be abnormal, but now in hindsight, [Dr. Levin] indicates that she
    was beginning to develop the seizure disorder.” 
    Id.
     However, October 9 was three weeks after
    T.C.’s first hepatitis B vaccination. 
    Id.
     It was not five days after the first vaccination.
    Dr. Levin concluded, “[t]o discount the contribution of 28 separate vaccinations and their
    adjuvants in the first 4 months of life to this child’s neurological illness is scientifically
    disingenuous.” Pet. Ex. 16 at 2. “[T]o a reasonable degree of medical certainty,” Dr. Levin
    opined “the vaccines that [T.C.] received triggered a genetic predisposition to her seizure
    disorder, and but for that—those vaccinations, the seizure disorder would not have presented at
    the time it did.” Tr. 57.
    31Dr. Levin does not state the basis for his opinion, but appears to be relying on a portion of
    petitioner’s affidavit, wherein petitioner averred that T.C. startled at one month. Pet. Ex. 3 at ¶ 3.
    However, in the same affidavit, petitioner stated that T.C. had twitches and shivering type
    movements from birth. See 
    id. at ¶ 4
    .
    19
    2.      Respondent – Dr. Max Wiznitzer 32
    a.     Background and Qualifications
    Dr. Wiznitzer obtained his medical degree from Northwestern University in 1977. Resp.
    Ex. B at 1. He then completed a residency in pediatrics at Children’s Hospital Medical Center in
    Cincinnati; a fellowship at the Cincinnati Center for Developmental Disorders; a fellowship in
    pediatric neurology at the Children’s Hospital of Philadelphia; and a fellowship in higher cortical
    functions at the Albert Einstein College of Medicine. 
    Id. at 1-2
    . He is a pediatric neurologist at
    University Hospitals of Cleveland, as well as an associate professor of several subjects at Case
    Western University. 
    Id. at 2
    . He is board-certified in pediatrics; psychiatry and neurology (with
    a special qualification in child neurology); neurodevelopmental disabilities; and medical
    examination. 
    Id. at 5
    . He is a journal reviewer and on the editorial board of several journals,
    including Lancet Neurology and Pediatric Neurology. 
    Id. at 6
    . He has authored or co-authored
    over 80 journal articles and book chapters. 
    Id. at 14-21
    . Dr. Wiznitzer has an active clinical
    practice interpreting EEGs and treating pediatric patients who have seizure disorders and
    epileptic encephalopathies. Tr. 118.
    b.     Opinion
    i.     Althen Prong One
    Regarding petitioner’s theory of causation, Dr. Wiznitzer disagreed with a number of Dr.
    Levin’s opinions. First, he disagreed that cytokines produced from vaccination can compromise
    the integrity of the endothelial cells of the blood brain barrier. Tr. 178. While Dr. Wiznitzer did
    agree that very high levels of cytokines can compromise the blood brain barrier, he disagreed
    that vaccinations would cause a sufficient number of cytokines to do so. Tr. 178-81.
    Additionally, Dr. Wiznitzer also took issue with Dr. Levin’s statement that after
    vaccination, cytokines have a cumulative effect. Tr. 195. As explained by Dr. Wiznitzer,
    cytokines “don’t sit around forever.” 
    Id.
     The only way that cytokines would continue to be
    present is if there is something that “continues to set them off,” but “that is not what [Dr. Levin
    has] proffered in his testimony.” 
    Id.
    Dr. Wiznitzer next discussed that Dr. Levin’s theory associating vaccination with
    epilepsy is not supported by the medical literature filed by petitioner. Resp. Ex. A at 10. Dr.
    Wiznitzer opined many of petitioner’s articles are irrelevant to T.C. because she did not have
    febrile seizures close in time to any of her vaccinations. 
    Id.
     at 10-11 (citing Pet. Exs. 42, 44, 48).
    For example, Choy et al. discuss inflammation markers, such as IL-1β, that are known triggers of
    fever and have also been implicated as contributors to the onset of febrile seizures. Pet. Ex. 42 at
    1. Dubé et al. similarly state that fever can provoke febrile seizures and IL-1β cytokines are
    implicated in contributing to fever-induced hyperexcitability underlying febrile seizures. Pet.
    Ex. 44 at 1. Vezzani and Baram’s research also supports the role of IL-1β in inducing fever that
    can promote the occurrence of febrile seizures. Pet. Ex. 48 at 3.
    32   Dr. Wiznitzer filed three expert reports. Resp. Exs. A, H, BB.
    20
    Moreover, Dr. Wiznitzer opined that T.C. did not have any seizure attributable to
    vaccination that significantly aggravated her epileptic encephalopathy. Tr. 187. When
    responding to the hypothetical question, would T.C.’s outcome be different if she never had a
    fever in her first year of life, Dr. Wiznitzer replied, “[i]t would not.” Tr. 186. Based on his
    medical training, Dr. Wiznitzer opined that due T.C.’s type of epilepsy and brain pathology, her
    outcome would not be affected by the fevers or seizures she had in her first year of life. Tr. 186 -
    88. Dr. Wiznitzer stated that other children with similar mutations in the same location have
    analogous pathologies—it “is just the evolution of this epilepsy.” Tr. 187.
    Additionally, petitioner’s medical literature, the Facini et al., Sanz and Di Virgilio,33 and
    Lopez-Castejon and Brough 34 articles, did not discuss epilepsy or vaccination. Resp. Ex. A at 10
    (citing Pet. Exs. 45, 49, 50). Facini et al. provided an overview of the clinical features of
    neonatal paroxysmal motor phenomena, or “sudden, mostly short-lasting involuntary movements
    and alterations of muscle tone, involving various parts of the body.” Pet. Ex. 45 at 1. The
    authors stated the movement could be due to an immature CNS or could be pathological or
    epileptic in origin. 
    Id.
     Sanz and Di Virgilio and Lopez-Castejon and Brough discuss the
    immunological mechanisms of IL-1β as a potent proinflammatory cytokine. Pet. Ex. 49 at 1;
    Pet. Ex. 50 at 1. Again, they did not mention vaccination or epilepsy.
    ii.    Althen Prong Two
    Dr. Wiznitzer initially laid out a number of points regarding T.C.’s diagnosis and clinical
    history. Resp. Ex. A at 10. First, he noted that T.C.’s twitches were present since birth, and
    were later identified as seizures after an EEG study. 
    Id.
     Second, T.C.’s seizure semiology
    included “infantile spasms, myoclonic seizures, and tonic seizures.” 
    Id.
     Third, her seizures
    increased during febrile illnesses, but also occurred independent of fever or illness. 
    Id.
    Notably, Dr. Wiznitzer opined that T.C. did not have a documented fever after receipt of
    her vaccinations on January 13 or 20, 2014. Resp. Ex. A at 10. However, T.C. had an upper
    respiratory infection with fever at the time of her emergency room visit on January 26, 2014. 
    Id.
    Dr. Wiznitzer opined that “[a] diagnosis of an epileptic encephalopathy . . . was clearly present
    from the time of birth, and by report, did not worsen in the immediate days after any of her
    immunizations. Rather, it became more evident in conjunction with an upper respiratory
    infection at the end of January 2014.” 
    Id.
    Factually, Dr. Wiznitzer disagreed with some of Dr. Levin’s statements and opinions that
    were not supported by the contemporaneous medical records. Resp. Ex. A at 11 -12. Dr.
    Wiznitzer disagreed that T.C.’s twitches, noted from birth, were evidence of an excessive startle
    reflex, but instead, he opined that they were due to her epilepsy. 
    Id. at 12
    . Additionally, he
    33Juana M. Sanz & Francesco Di Virgilio, Kinetics and Mechanism of ATP-Dependent IL-1 β
    Release from Microglial Cells, 164 J. Immunology 4893 (2000).
    34Gloria Lopez-Castejon & David Brough, Understanding the Mechanism of IL-1 β Secretion,
    22 Cytokine Growth Factor Rev. 189 (2011).
    21
    opined that the allegation that T.C. had new left arm twitching after the November 13, 2013
    vaccinations was not reported in her contemporaneous medical records.35 
    Id.
     Additionally,
    according to Dr. Wiznitzer, Dr. Levin’s statement that T.C. had fever for two days after the
    January 13, 2014 vaccinations is not supported by the contemporaneous medical records.36 
    Id.
    Instead of developing epilepsy after vaccination, Dr. Wiznitzer opined that T.C. was born
    with her condition of epileptic encephalopathy. Tr. 169. He testified that in many cases,
    children with genetic epilepsies are normal during pregnancy. Tr. 170. “In fact, clinically, the
    children can look reasonably okay in the first months of life, depending on what the timing is,
    and then basically the epilepsy starts, and all the delays associated with it basically evolve. ” 
    Id.
    Dr. Wiznitzer emphasized that he has “seen that pattern over and over and over again.” 
    Id.
    Dr. Wiznitzer opined that the cause of T.C.’s epileptic encephalopathy is “a pathogenic
    mutation of the GABRB2 gene.”37 Tr. 126. He cited a number of articles to support his opinion
    and explain that T.C.’s epileptic encephalopathy is genetic in nature and not caused by her
    vaccinations. Resp. Ex. A at 12. Berg et al. describes epileptic encephalopathy and “that the
    epileptic activity itself may contribute to severe cognitive and behavioral impairments above and
    beyond what might be expected from the underlying pathology alone (e.g., cortical
    malformation), and that these can worsen over time.” Resp. Ex. C at 7. “Epileptic
    encephalopathy can present along a continuum of severity and may occur at any age. The
    phenomenon is most common and severe in infancy and early childhood, where global and
    profound cognitive impairment may occur.” 
    Id. at 8
    . The authors state, “[t]he concept of genetic
    epilepsy is that the epilepsy is, as best as understood, the direct result of a known or presumed
    genetic defect(s) in which seizures are the core symptom of the disorder.” 
    Id. at 5
    . “Designation
    of the fundamental nature of the disorder as genetic does not exclude the possibility that
    environmental factors (outside the individual) may contribute to the expression of disease.” 
    Id.
    Scheffer et al.38 stated, “[m]any epilepsy syndromes associated with encephalopathy have
    a genetic etiology . . . where there is marked genetic heterogeneity, and [e]pileptic
    encephalopathy with continuous spike-and-wave during sleep (CSWS), where the first genes
    have begun to emerge.” Resp. Ex. G at 7. “Equally, such syndromes may have an acquired
    cause such as hypoxic-ischemic encephalopathy or stroke, or may be associated with a
    malformation of cortical development that may also have a genetic or acquired etiology.” 
    Id.
    35   The first reference to T.C.’s left arm twitching was on January 31, 2014. Pet. Ex. 5 at 67.
    36The contemporaneous medical records from January 13 to January 20, 2014 do not document
    that T.C. had any fever during this timeframe. See Pet. Ex. 2 at 35-37.
    37Dr. Wiznitzer explained that both T.C. and her mother had a “deletion on Chromosome 9” that
    was found on testing, but that is different than the GABRB2 genetic mutation which T.C. has,
    which is de novo, and located on Chromosome 5, and is the focus of Dr. Wiznitzer’s testimony
    regarding the cause of T.C.’s epileptic encephalopathy. Tr. 224-25.
    38Ingrid E. Scheffer et al., ILAE Classification of the Epilepsies: Position Paper of the ILAE
    Commission for Classification and Terminology, 58 Epilepsia 512 (2017).
    22
    “The concept of an epileptic encephalopathy can also be applied to single gene disorders.” 
    Id.
    “Many of these severe genetic disorders also have developmental consequences arising directly
    from the effect of genetic mutation, in addition to the effect of the frequent epileptic activity on
    development.” 
    Id. at 8
    .
    McTague et al. report “[e]pileptic encephalopathies of infancy and childhood comprise a
    large, heterogeneous group of severe epilepsies characterized by several seizure types, frequent
    epileptiform activity on EEG, and developmental slowing or regression.” Resp. Ex. E at 1. “The
    onset of epileptic encephalopathies might occur against a background of normal or delayed
    development.” 
    Id.
     The authors stated, “[a] minority of cases undoubtedly have symptomatic
    causes in which a child has a structural aetiology such as a stroke or hypoxic -ischaemic
    encephalopathy underlying their epileptic encephalopathy.” 
    Id. at 4
    . However, “[a] genetic
    cause has been identified in many different epileptic encephalopathies with many previously
    unknown genes emerging. The genetic causes of epileptic encephalopathies are heterogenous;
    de-novo mutation in the affected individual are most commonly reported.” 
    Id.
    Dr. Wiznitzer explained that T.C. “had no identifiable brain abnormalities on MRI, which
    would be expected with an acquired cause, and had seizures and involuntary movements, which
    occur in some of the genetic disorders associated with epileptic encephalopathy.” Resp. Ex. A at
    12. “She has a history of body twitches from the time of birth, which are probably [myoclonic]
    seizures and which can occur with epileptic encephalopathy.” 
    Id.
     “The clinical identification of
    her epilepsy at age 4 months is consistent with the evolution of an epileptic encephalopathy,
    including the appearance of infantile spasms, and, therefore, [vaccination was] not the causation
    or exacerbation [as] claimed by Dr. Levin.” 
    Id. at 12-13
    .
    Additionally, the Columbia University Diagnostic Sequencing Study of Genetic
    Disorders test results on T.C. revealed a de novo heterozygous variant on the GABRB2 gene.
    Resp. Ex. H at 2. Dr. Wiznitzer explained, “the GABAA receptors are the major inhibitory
    neurotransmitter receptors” of the brain. 
    Id. at 3
    . Loss of function of these receptors can lead to
    imbalance in excitation-inhibition with an excess of excitation, which can lead to seizures,
    movement disorders, and developmental delay/intellectual disability.” 
    Id.
     (citing Resp. Exs. I, 39
    J).40 In utero, these GABA receptors are excitatory, but at birth GABA receptors are inhibitory.
    Tr. 128. Dr. Wiznitzer testified that more GABA receptors grow as an individual ages. 
    Id.
    More specifically, Dr. Wiznitzer testified that “the GABRB2 gene codes for one of the
    subunits of the GABA A receptor.” Tr. 126. The GABA A receptor “is the major inhibitory nerve
    transmitter receptor in the body.” 
    Id.
     GABA, a neurotransmitter, binds at a “specific location . .
    . between an alpha and beta subunit.” Tr. 127. The GABA A receptor is made of “five subunit
    proteins” that combine to “form a cylinder . . . through which chloride ions move.” Id.; see also
    Resp. Ex. DD. “[T]he movement of the chloride ions [] causes the inhibitory effect on the
    39H. Möhler, GABAA Receptor Diversity and Pharmacology, 326 Cell Tissue Research 505
    (2006).
    40Erwin Sigel & Michael E. Steinmann, Structure, Function, and Modulation of GABAA
    Receptors, 287 J. Biological Chemistry 40224 (2012).
    23
    transmission of electrical signal along the nerve.” Tr. 127. After birth, the system evolves over
    time, so that at two to four months of age, there are more GABA A receptors than are present at
    birth. Tr. 128. If the GABA A receptor does not properly inhibit, there is “an imbalance between
    excitation and inhibition . . . in the nervous system.” Tr. 129. The β2 subunit, which is “the
    dysfunctional gene in T.C.” is a “de novo change[] in the genetic code that [is] deleterious . . .
    [and] lead[s] to an imbalance in excitation and inhibition.” Tr. 131. There is more excitation
    because there is less inhibition, and this causes epilepsy. Tr. 131 -32.
    Dr. Wiznitzer testified that there is “a list of genes that have been identified so far as
    being associated with epilepsy. And . . . GABRB2 is one of them.” Tr. 132. Others included de
    novo mutations “in GABRA1, GABRA2, GABRA5, GABRB1, GABRB2, GABRIB3[,] and
    GABRG2 . . . found in cases of epileptic encephalopathies with a broad phenotypic range that
    includes early onset (infantile) epileptic encephalopathy.” Resp. Ex. H at 3. Dr. Wiznitzer cited
    numerous articles and medical literature to demonstrate that de novo GABRB2 variants are
    associated with epilepsy. 
    Id. at 3-5
    .
    Srivastava et al. (the article that was attached to T.C.’s genetic results), published in
    2014, reported on a twelve-year-old who had onset of febrile seizures at age nine months that
    continued to recur and evolve into nonfebrile seizures. Resp. Ex. H at 3 (citing Resp. Ex. L).
    The febrile seizures in infancy resolved, but the child went on to develop generalized epilepsy.
    Resp. Ex. L at 6. This was the “first report of a missense mutation in the β2 subunit of the
    GABAA receptor as a cause of genetic epilepsy and intellectual disability.” 
    Id. at 7
    .
    Ishii et al.41 reported that a de novo heterozygous missense mutation in the GABRB2-
    encoded β2 subunit of the GABA A was associated with severe epileptic encephalopathy. Resp.
    Ex. P at 7. Yang et al.42 identified GABRB2 variants in fifteen patients in their article, published
    in 2020. Resp. Ex. H at 5 (citing Resp. Ex. W). They found that the most common phenotype
    associated with GABRB2 variants included patients with early onset of seizures and fever
    sensitivity. Resp. Ex. W at 1. Seizure onset usually occurred in the first few years of life, with
    most having “epilepsy, intellectual disability, . . . [and] developmental and epileptic
    encephalopathy.” Tr. 137. EEG reports may show hypsarrhythmia, “a very severe epilepsy
    pattern.” Tr. 138. The “location where the mutation or where the gene variant occurs appears to
    affect the severity of the clinical picture in their patients.” Tr. 139. All severe phenotypes 43 in
    41Atsushi Ishii et al., A De Novo Missense Mutation of GABRB2 Causes Early Myoclonic
    Encephalopathy, 54 J. Med. Genetics 202 (2017).
    42Ying Yang et al., Phenotypic Spectrum of Patients with GABRB2 Variants: From Mild Febrile
    Seizures to Severe Epileptic Encephalopathy, 62 Developmental Med. Child Neurology 1
    (2020).
    43 Dr. Wiznitzer defined phenotype as “the clinical picture of the individual.” Tr. 141.
    Phenotype is defined by Dorland’s as “the observable morphologic, biochemical, and
    physiologic characteristics of an individual, either in whole or with respect to a single or a few
    traits.” Phenotype, Dorland’s Online Med. Dictionary, https://www.dorlandsonline.com/
    dorland/definition?id=38503 (last visited June 9, 2022).
    24
    the study had the mutation between site 245 and 303, “which is the number of the amino acid on
    the protein, . . . in the transmembrane region.” 
    Id.
     Hamdan et al. also report that “variants []
    clustered in the positions 244 to 304, 44 which encompassed three transmembrane domains . . .
    [were] associated with severe global developmental delay or intellectual disability.” Tr. 139 -40.
    Hamdan et al. studied a group of individuals with unexplained developmental and
    epileptic encephalopathy and pharmaco-resistant seizures and were able to provide a causal link
    between the developmental and epileptic encephalopathy and GABRB2 gene mutations. Resp.
    Ex. H at 4 (citing Resp. Ex. R). The authors “identified [eleven] individuals with GABRB2 de
    novo mutations, all of which were predicted to be damaging. All individuals had moderate to
    severe intellectual disability. Within the first year of life, most children developed refractory
    seizures that sometimes evolved into myoclonic status epilepticus or n onconvulsive status
    epilepticus.” 
    Id.
     “Some developed focal seizures, tonic seizures, atonic seizures, and/or rarely
    generalized tonic-clonic seizures. For [five] of the individuals, the epilepsy remained refractory
    despite multiple drug trials.” 
    Id.
     Hamdan et al. state, “[c]ollectively, the previously and
    presently reported individuals with [de novo mutations] in GABRB2 confirm that the de novo
    missense mutations in GABRB2 can cause a [developmental and epileptic encephalopathy]
    phenotype.” Resp. Ex. R at 9 (emphasis omitted). Hamdan et al., like Yang et al., also stated
    variants that were clustered in the positions 244 to 304 were associated with severe outcomes,
    such as global developmental delay or intellectual disability. Tr. 139-40.
    El Achkar et al. characterized “the phenotypic spectrum and functional consequences
    associated with variants in the gene GABRB2, coding for the γ-aminobutyric acid type A
    (GABAA) receptor subunit β2.” Resp. Ex. CC at 1. The authors opined “GABRB2-related
    epilepsy ranges broadly in severity from genetic generalized epilepsy to developmental and
    epileptic encephalopathies. Developmental disability and movement disorder are key features.”
    
    Id.
     The authors found that “[m]issense variants were located in regions of the protein that are
    intolerant to functional variation.” 
    Id. at 6
    . Dr. Wiznitzer testified this region is the same region
    identified by Yang et al. and Hamdan et al. Tr. 140. He opined that T.C.’s mutation is in the
    same location. Tr. 140, 151. T.C.’s mutation results in “changing the C to a T in the DNA
    code,” so that “instead of having a proline amino acid at site 252, . . . [there is] a leucine amino
    acid.” Tr. 151. Based on current knowledge and predictive algorithms, Dr. Wiznitzer opined
    that T.C.’s mutation is “predicted to be deleterious.” Tr. 153. Further, based on the testing done
    by El Achkar et al., this mutation causes “a loss of function” and results in “an imbalance
    between excitation and inhibition,” which will cause seizures and developmental impairment.
    Tr. 156-57. Additionally, the majority of those with the mutation have “cortical visual
    impairment” and profound development problems. Tr. 159.
    Dr. Wiznitzer concluded that T.C.’s developmental and epileptic encephalopathy is due
    to her de novo pathogenic GABRB2 gene mutation. Resp. Ex. H at 6-7; Tr. 168. Dr. Wiznitzer
    testified, T.C.’s mutation and clinical presentation is similar to individuals studied in the medical
    44T.C.’s mutation is a P252L missense variant at position 252 in the GABRB2 protein. Pet. Ex.
    52 at 2.
    25
    literature as demonstrated by the Columbia study results. 45 Tr. 160-61, 164-67. Therefore, he
    does not believe that her epileptic encephalopathy was caused or aggravated by any of her
    immunizations. Tr. 163.
    The fact that T.C.’s mom had a normal pregnancy, and that T.C. had a normal birth, and
    that clinically, T.C. did well in the first few months of life is, according to Dr. Wiznitzer, not
    unexpected. Tr. 170. He explained that before birth, the GABA receptors are immature, and so
    the clinical changes are not seen until the GABA receptors mature. 
    Id.
     According to the records,
    T.C. had twitching on and off after birth. 46 
    Id.
     Dr. Wiznitzer opined that T.C. was born with the
    deleterious gene mutation, and had twitching since birth, abnormal eye movements, feeding
    problems, and increased movement, evidencing a “clinical evolution of her genetic epilepsy.”
    Tr. 171. Further, at the later part of January 2014, she was described as having a developmental
    disorder. Tr. 173. Her MRI was normal, and did not show inflammation, or “evidence o f a
    breakdown of the blood-brain barrier.” 
    Id.
     Instead of inflammation, Dr. Wiznitzer opined that
    T.C.’s problem was at a microscopic level, at the level of the nerves, due to her mutation. 
    Id.
    Additionally, Dr. Wiznitzer disagreed with Dr. Levin’s opinion that the current vaccine
    schedule overwhelms the immune system, or that it did so in T.C. Tr. 181. There is no evidence
    that her immune system was “overwhelmed in any way” or that her immune system was not
    working properly. 
    Id.
     She did not have evidence that her immune system could not fight
    infections, she did not have abnormal MRIs, she did not have dysfunction of her endocrine
    system. Tr. 182.
    Further, Dr. Wiznitzer disagreed that any vaccinations were contraindicated for T.C. Tr.
    185. To the contrary, it is important that she receive vaccinations to protect her against
    preventable infections which cause illness and fever. 
    Id.
    Dr. Wiznitzer disagreed that T.C.’s clinical course was consistent with Dr. Levin’s
    opinion of vaccine causation. Resp. Ex. A at 12-13. T.C.’s twitches were present after birth,
    then she began receiving her vaccinations, including her hepatitis B vaccines at four day s, and
    the second one in October. 
    Id. at 12
    . She then received her first set of vaccinations in
    November, followed by the second set in January. 
    Id.
     Dr. Wiznitzer opined that there was “no
    description during that time of any significant worsening of function in the days after those
    vaccinations.” Tr. 174. Using the theory and timeline proposed by Dr. Levin, “where cytokines
    should be elevated in the first week” after vaccination, Dr. Wiznitzer opined there “was no real
    45At the hearing, Dr. Wiznitzer testified that (as of the date of the hearing) there have been 73
    deleterious variants affecting the β2 subunit of the GABAA receptor reported. Tr. 150.
    46 Dr. Wiznitzer testified that according to T.C.’s mother, T.C. had twitches since birth, which he
    interpreted to mean “right at the time.” Tr. 250. Since T.C. received her first hepatitis B
    vaccination at four days of age, he believed that T.C.’s twitches began before she received her
    first vaccination. 
    Id.
     He noted that the physician who evaluated T.C. documented the past
    medical history was significant for “benign myoclonic jerks of mostly left shoulder that occurred
    off and on since birth.” Tr. 264 (citing Pet. Ex. 5 at 69). The term “twitching” was also
    referenced in the same record. Pet. Ex. 5 at 67.
    26
    clinical change in terms of seizures or development that was reported during that time.” 
    Id.
    The change or deterioration seen clinically in T.C. occurred on January 30, 2014, “with
    the appearance of an obvious tonic seizure . . . that occurred in conjunction with her upper
    respiratory infection.” Tr. 174. Dr. Wiznitzer opined that illness can provoke seizure activity, so
    this course was not surprising. 
    Id.
     The seizure did not occur within the first week, but occurred
    ten days after her IPV vaccination, and 17 days after DTaP, Hib, and rotavirus vaccines
    administered on January 13, 2014. Tr. 175. Moreover, the type of seizure T.C. had was
    consistent with those reported in others who have GABRB2 associated epileptic encephalopathy.
    
    Id.
    Dr. Wiznitzer disagreed with Dr. Levin that a trigger is necessary for clinical symptoms
    to present in children with a GABRB2 genetic variant. Tr. 177. Fever may provoke a seizure,
    but the “underlying pathology in the brain is . . . an unfixable imbalance between excitation and
    inhibition.” Tr. 177. Illness may also lower the seizure threshold so that seizures occur more
    readily. Tr. 251. Dr. Wiznitzer explained, however, that the genetic variant at issue is not
    triggered, because it is present at birth. Tr. 255.
    iii.    Althen Prong Three
    Dr. Wiznitzer opined T.C.’s epileptic encephalopathy manifested when she was noted to
    have exotropia at her December 14, 2013 well-baby checkup. Resp. Ex. A at 12. He stated her
    epileptic encephalopathy predated her vaccinations as shown by her twitching, as well as her
    abnormal eye movement and feeding issues. Tr. 171. When T.C. was first admitted to the
    hospital, “she was described as having a lot of movement, . . . suggesting that the movement
    disorder was there but probably was not as evolved to become clinically evident.” Tr. 172-73.
    Additionally, there were no associated brain MRI abnormalities. Tr. 173. T.C., however, had
    EEG abnormalities (burst suppression pattern and frequent epileptiform discharges, depending
    on age of the EEG study), and she had clinical seizures (infantile spasms, myoclonic, focal, and
    generalized tonic-clonic seen over time). Tr. 172-73; Resp. Ex. A at 12.
    Further, Dr. Wiznitzer opined the latency between vaccination and T.C.’s seizures make
    it unlikely that the vaccines were a causative factor. Tr. 268-70. For the DTaP vaccination, if a
    child had a febrile seizure due to fever related to vaccination, Dr. Wiznitzer testified it would
    occur within the first three days after vaccination. Tr. 269. This time frame would also apply to
    the Hib and pneumococcal vaccinations. 
    Id.
     Dr. Wiznitzer would not expect fever to occur after
    hepatitis B vaccinations, but if it did, again, it would happen within three days at the most. Tr.
    269-70. He testified that fevers do not usually occur after IPV or rotavirus vaccinations. 
    Id.
    VI.    DISCUSSION
    A.      Standards for Adjudication
    The Vaccine Act was established to compensate vaccine-related injuries and deaths. §
    10(a). “Congress designed the Vaccine Program to supplement the state law civil tort system as
    a simple, fair and expeditious means for compensating vaccine-related injured persons. The
    27
    Program was established to award ‘vaccine-injured persons quickly, easily, and with certainty
    and generosity.’” Rooks v. Sec’y of Health & Hum. Servs., 
    35 Fed. Cl. 1
    , 7 (1996) (quoting
    H.R. Rep. No. 908 at 3, reprinted in 1986 U.S.C.C.A.N. at 6287, 6344).
    Petitioner’s burden of proof is by a preponderance of the evidence. § 13(a)(1). The
    preponderance standard requires a petitioner to demonstrate that it is more likely than not that the
    vaccine at issue caused the injury. Moberly v. Sec’y of Health & Hum. Servs., 
    592 F.3d 1315
    ,
    1322 n.2 (Fed. Cir. 2010). Proof of medical certainty is not required. Bunting v. Sec’y of Health
    & Hum. Servs., 
    931 F.2d 867
    , 873 (Fed. Cir. 1991). In particular, petitioner must prove that the
    vaccine was “not only [the] but-for cause of the injury but also a substantial factor in bringing
    about the injury.” Moberly, 
    592 F.3d at 1321
     (quoting Shyface v. Sec’y of Health & Hum.
    Servs., 
    165 F.3d 1344
    , 1352-53 (Fed. Cir. 1999)); see also Pafford v. Sec’y of Health & Hum.
    Servs., 
    451 F.3d 1352
    , 1355 (Fed. Cir. 2006). A petitioner who satisfies this burden is entitled to
    compensation unless respondent can prove, by a preponderance of the evidence, that the
    vaccinee’s injury is “due to factors unrelated to the administration of the vaccine.” §
    13(a)(1)(B).
    B.      Factual Issues
    A petitioner must prove, by a preponderance of the evidence, the factual circumstances
    surrounding her claim. § 13(a)(1)(A). To resolve factual issues, the special master must weigh
    the evidence presented, which may include contemporaneous medical records and testimony.
    See Burns v. Sec’y of Health & Hum. Servs., 
    3 F.3d 415
    , 417 (Fed. Cir. 1993) (explaining that a
    special master must decide what weight to give evidence including oral testimony and
    contemporaneous medical records). Contemporaneous medical records, “in general, warrant
    consideration as trustworthy evidence.” See Cucuras v. Sec’y of Health & Hum. Servs., 
    993 F.2d 1525
    , 1528 (Fed. Cir. 1993). But see Kirby v. Sec’y of Health & Hum. Servs., 
    997 F.3d 1378
    , 1382 (Fed. Cir. 2021) (rejecting the presumption that “medical records are accurate and
    complete as to all the patient’s physical conditions”); Shapiro v. Sec’y of Health & Hum. Servs.,
    
    101 Fed. Cl. 532
    , 538 (2011) (“[T]he absence of a reference to a condition or circumstance is
    much less significant than a reference which negates the existence of the condition or
    circumstance.” (quoting Murphy v. Sec’y of Health & Hum. Servs., 
    23 Cl. Ct. 726
    , 733 (1991),
    aff’d per curiam, 
    968 F.2d 1226
     (Fed. Cir. 1992))), recons. den’d after remand, 
    105 Fed. Cl. 353
    (2012), aff’d mem., 503 F. App’x 952 (Fed. Cir. 2013).
    There are situations in which compelling testimony may be more persuasive than written
    records, such as where records are deemed to be incomplete or inaccurate. Campbell v. Sec’y of
    Health & Hum. Servs., 
    69 Fed. Cl. 775
    , 779 (2006) (“[L]ike any norm based upon common
    sense and experience, this rule should not be treated as an absolute and must yield where the
    factual predicates for its application are weak or lacking.”); Lowrie v. Sec’y of Health & Hum.
    Servs., No. 03-1585V, 
    2005 WL 6117475
    , at *19 (Fed. Cl. Spec. Mstr. Dec. 12, 2005)
    (“[W]ritten records which are, themselves, inconsistent, should be accorded less deference than
    those which are internally consistent.” (quoting Murphy, 
    23 Cl. Ct. at 733
    )). Ultimately, a
    determination regarding a witness’s credibility is needed when determining the weight that such
    testimony should be afforded. Andreu v. Sec’y of Health & Hum. Servs., 
    569 F.3d 1367
    , 1379
    (Fed. Cir. 2009); Bradley v. Sec’y of Health & Hum. Servs., 
    991 F.2d 1570
    , 1575 (Fed. Cir.
    28
    1993).
    Despite the weight afforded medical records, special masters are not bound rigidly by
    those records in determining onset of a petitioner’s symptoms. Valenzuela v. Sec’y of Health &
    Hum. Servs., No. 90-1002V, 
    1991 WL 182241
    , at *3 (Fed. Cl. Spec. Mstr. Aug. 30, 1991); see
    also Eng v. Sec’y of Health & Hum. Servs., No. 90-1754V, 
    1994 WL 67704
    , at *3 (Fed. Cl.
    Spec. Mstr. Feb. 18, 1994) (Section 13(b)(2) “must be construed so as to give effect also to §
    13(b)(1) which directs the special master or court to consider the medical records (reports,
    diagnosis, conclusions, medical judgment, test reports, etc.), but does not require the special
    master or court to be bound by them”).
    C.    Causation
    To receive compensation through the Program, petitioner must prove either (1) that T.C.
    suffered a “Table Injury”—i.e., an injury listed on the Vaccine Injury Table—corresponding to a
    vaccine that she received, or (2) that T.C. suffered an injury that was actually caused by a
    vaccination. See §§ 13(a)(1)(A), 11(c)(1); Capizzano v. Sec’y of Health & Hum. Servs., 
    440 F.3d 1317
    , 1319-20 (Fed. Cir. 2006). Because petitioner does not allege that T.C. suffered a
    Table Injury, she must prove that the vaccines T.C. received caused her injury. To do so, she
    must establish, by preponderant evidence: (1) a medical theory causally connecting the vaccines
    and T.C.’s injury (“Althen Prong One”); (2) a logical sequence of cause and effect showing that
    the vaccines were the reason for T.C.’s injury (“Althen Prong Two”); and (3) a showing of a
    proximate temporal relationship between the vaccines and T.C.’s injury (“Althen Prong Three”).
    § 13(a)(1); Althen, 
    418 F.3d at 1278
    .
    The causation theory must relate to the injury alleged. The petitioner must provide a
    sound and reliable medical or scientific explanation that pertains specifically to this case,
    although the explanation need only be “legally probable, not medically or scientifically certain.”
    Knudsen v. Sec’y of Health & Hum. Servs., 
    35 F.3d 543
    , 548-49 (Fed. Cir. 1994). Petitioner
    cannot establish entitlement to compensation based solely on her assertions; rather, a vaccine
    claim must be supported either by medical records or by the opinion of a medical doctor. §
    13(a)(1). In determining whether petitioner is entitled to compensation, the special master shall
    consider all material in the record, including “any . . . conclusion, [or] medical judgment . . .
    which is contained in the record regarding . . . causation.” § 13(b)(1)(A). The undersigned must
    weigh the submitted evidence and the testimony of the parties’ proffered experts and rule in
    petitioner’s favor when the evidence weighs in her favor. See Moberly, 
    592 F.3d at 1325-26
    (“Finders of fact are entitled—indeed, expected—to make determinations as to the reliability of
    the evidence presented to them and, if appropriate, as to the credibility of the persons presenting
    that evidence.”); Althen, 
    418 F.3d at 1280
     (noting that “close calls” are resolved in petitioner’s
    favor).
    D.    Causation Analysis
    1.     Althen Prong One
    29
    Under Althen Prong One, petitioner must set forth a medical theory explaining how the
    received vaccine could have caused the sustained injury. Andreu, 
    569 F.3d at 1375
    ; Pafford, 451
    F.3d at 1355-56. Petitioner’s theory of causation need not be medically or scientifically certain,
    but it must be informed by a “sound and reliable medical or scientific explanation.” Knudsen, 
    35 F.3d at 548
    ; see also Veryzer v. Sec’y of Health & Hum. Servs., 
    98 Fed. Cl. 214
    , 223 (2011)
    (noting that special masters are bound by both § 13(b)(1) and Vaccine Rule 8(b)(1) to consider
    only evidence that is both “relevant” and “reliable”). If petitioner relies upon a medical opinion
    to support her theory, the basis for the opinion and the reliability of that basis must be considered
    in the determination of how much weight to afford the offered opinion. See Broekelschen v.
    Sec’y of Health & Hum. Servs., 
    618 F.3d 1339
    , 1347 (Fed. Cir. 2010) (“The special master’s
    decision often times is based on the credibility of the experts and the relative persuasiveness of
    their competing theories.”); Perreira v. Sec’y of Health & Hum. Servs., 
    33 F.3d 1375
    , 1377 n.6
    (Fed. Cir. 1994) (stating that an “expert opinion is no better than the soundness of the reasons
    supporting it” (citing Fehrs v. United States, 
    620 F.2d 255
    , 265 (Ct. Cl. 1980))).
    Petitioner’s expert, Dr. Levin, proposes that vaccinations, specifically the adjuvants in
    vaccines,47 evoke the production of proinflammatory cytokines which cross the blood brain
    barrier, resulting in further production of proinflammatory cytokines (astrocytes and microglia)
    that significantly reduce the excitatory threshold of certain neurons. He opines that in infants
    with a genetic propensity to develop a seizure disorder, these proinflammatory cytokines trigger
    seizure disorders such as epilepsy. Dr. Levin further opines that the antigens and adjuvants of 28
    vaccinations, administered over the period of time relevant here, activated the innate immune
    responses causing the production of proinflammatory cytokines, as well as the adaptive immune
    T and B cells, which also produce cytokines. He explains that the innate immune response is
    almost immediate, and occurs within hours, while the adaptive immune response 48 takes a week,
    and lasts about a month, although it is not very serious after the first three to four days.
    Medical literature filed by petitioner supports the proposition that proinflammatory
    cytokines may play a role in the development of fever, which may lead to seizures and epilepsy.
    For example, Vezzani and Baram discuss the following hypotheses related to cytokines: They
    may be released during an inciting event which may promote a hyperexcitable state; they may
    contribute to seizure-evoked neuronal cell death; and they may play a role in febrile seizures.
    See generally Pet. Ex. 38. Choy et al. explain that inflammatory mediators (cytokines) are
    present following febrile seizures, as well as during established epilepsy, suggesting they may
    contribute to the etiology of seizures. Pet. Ex. 42. Notably, however, the authors state that while
    prolonged or focal febrile seizures may increase the risk of temporal lobe epilepsy, 49 they
    conclude that the “majority of clinical studies suggest that there is little enduring adverse impact
    47Dr. Levin did not identify any specific adjuvant at play, nor did he provide any evidence to
    show that adjuvants cause release of proinflammatory cytokines that remain present over time, or
    accumulate, so as to result in seizures and epilepsy.
    48Dr. Levin did not explain or develop the aspect of his theory which involved the adaptive
    immune response.
    49   T.C. has not been diagnosed with temporal lobe epilepsy.
    30
    of short febrile seizures on the developing brain.” 
    Id. at 3
    . The literature does not support the
    notion that afebrile seizures are triggered by vaccination, or that afebrile seizures play a role in
    triggering epilepsy. 50 And the facts of this case do not establish that there was a vaccine
    proximate fever associated with any seizure prior to the diagnosis of epilepsy.
    Moreover, Dr. Levin suggests that there is a cumulative effect of cytokines after
    vaccination, and that 28 separate vaccinations and their adjuvants, over a period of four months,
    caused her epilepsy. See Pet. Ex. 15 at 4; Pet. Ex. 16 at 2; Tr. at 57. This idea, however, is
    inconsistent with Dr. Levin’s opinion that the release of proinflammatory cytokines is almost
    immediate, and within hours and days of vaccination. Tr. 82. Dr. Levin did not provide any
    evidence to show that vaccine-induced cytokines remain present in the central nervous system
    for more than a short period of time after vaccination. Nor did he provide any evidence that the
    cytokines from a vaccination accumulate or form a cumulative effect over time, so as to cause
    seizures or epilepsy at a future date. Instead, de Vries et al. note cytokines are released after
    injury or inflammation, and Choy et al. state that after release, cytokines remain elevated for 24
    to 48 hours. Pet. Ex. 43 at 1; Pet. Ex. 42 at 4.
    In addition to suggesting that proinflammatory cytokines have a cumulative effect, Dr.
    Levin also opines that vaccines cause an “uncontrolled inflammatory response” which can lead
    to illness in children with genetic propensity. Tr. 42. But he did not explain what he meant by
    an “uncontrolled inflammatory response” or how vaccines can cause such a response. Moreover,
    he did not provide any evidence to support this opinion. As such, Dr. Levin’s opinion is vague,
    conclusory, and not developed through the literature that he cited.
    When evaluating whether petitioners have carried their burden of proof, special masters
    consistently reject “conclusory expert statements that are not themselves backed up with reliable
    scientific support.” Kreizenbeck v. Sec’y of Health & Hum. Servs., No. 08-209V, 
    2018 WL 3679843
    , at *31 (Fed. Cl. Spec. Mstr. June 22, 2018), mot. for rev. denied, decision aff’d, 
    141 Fed. Cl. 138
     (2018), aff’d, 
    945 F.3d 1362
     (Fed. Cir. 2020). The undersigned will not rely on
    “opinion evidence that is connected to existing data only by the ipse dixit of the expert.”
    Prokopeas v. Sec’y of Health & Hum. Servs., No. 04-1717V, 
    2019 WL 2509626
    , at *19 (Fed.
    Cl. Spec. Mstr. May 24, 2019) (quoting Moberly, 
    592 F.3d at 1315
    ). Instead, special masters are
    expected to carefully scrutinize the reliability of each expert report submitted. See 
    id.
    In addition to offering vague and conclusory opinions, Dr. Levin’s opinions were also
    misleading or irrelevant, including his inference that vaccinations cause an increase in
    50 Dr. Levin cited Graves v. Secretary of Health & Human Services, 
    109 Fed. Cl. 579
     (2013) in
    support of his opinion. Pet. Ex. 68. That Opinion and Order, however, deals with the
    interpretation of the Vaccine Act as it relates to the statutory cap on pain and suffering damages,
    and does not support the proposition for which it was cited. The underlying facts are also
    distinguishable. In Graves, the infant had seizures two days after her Prevnar vaccination. No.
    02-1211V, 
    2008 WL 4763730
    , at *1 (Fed. Cl. Spec. Mstr. Oct. 14, 2008). She was taken to the
    hospital, where she suffered status epilepticus and subsequently died. 
    Id. at *2
    . T.C. did not
    have seizures within two days of vaccination, and the medical records do not document that she
    had status epilepticus after the vaccinations at issue here.
    31
    autoimmune disease in children. He cited an article by Bach to support this inference. Bach
    discussed the “hygiene hypothesis” and the implications related to allergic illnesses (e.g.,
    asthma) and autoimmune diseases (e.g., multiple sclerosis). Pet. Ex. 80 at 7. Generally, Bach
    described the relationship between “the reduction in the incidence of infectious disease and the
    increase in the incidence of allergic and autoimmune diseases,” and recommended research to
    more fully explore the nature and mechanisms that may play a role in these relationships. 
    Id. at 8
    . Bach emphasized, however, that ‘[i]t is important to stress that there are no solid data
    indicating either a positive or negative role of vaccinations in the development of autoimmune or
    allergic diseases.” 
    Id.
     Further, the article does not touch on the subject of seizure disorders or
    epilepsy, or any association between vaccinations and these illnesses. It is not clear why Dr.
    Levin cited Bach, or how it supports his mechanistic theory.
    Several other opinions or statements were made by Dr. Levin that were similarly
    conclusory or irrelevant and unsupported by medical literature or other evidence. For example,
    he opines that vaccines stimulate the immune system which “disrupts the homeostatic balance of
    the immune system” and “causes most of the vaccine adverse events.” Pet. Ex. 15 at 4. He did
    not, however, describe how vaccines disrupt the homeostatic balance of the immune system,
    explain the statement, or how it relates to his theory, nor did he provide supportive medical
    literature on this point.
    In summary, petitioner has not provided a sound and reliable theory to explain how the
    vaccinations at issue, given the facts and circumstances, can cause a seizure disorder, epilepsy,
    and T.C.’s other neurological problems. The undersigned has previously found that vaccination
    can cause the release of proinflammatory cytokines, and that vaccine-associated
    proinflammatory cytokines may cause complex febrile seizures which can trigger epilepsy if they
    occur within a medically reasonably temporal interval. See Ginn ex rel. R.G. v. Sec’y of Health
    & Hum. Servs., No. 16-1466V, 
    2021 WL 1558342
     (Fed. Cl. Spec. Mstr. Mar. 26, 2021); Fuller
    ex rel. B.F. v. Sec’y of Health & Hum. Servs., No. 15-1470V, 
    2019 WL 7576382
     (Fed. Cl. Spec.
    Mstr. Dec. 17, 2019). Here, however, T.C.’s onset did not occur within a medically reasonable
    temporal interval following her vaccinations, as discussed below. Additionally, the injured
    parties in Ginn and Fuller had febrile seizures, whereas, here, T.C. had afebrile seizures. Thus,
    the facts and circumstances of this case do not support vaccine causation. For all of the reasons
    discussed above, the undersigned finds that petitioner has failed to provide a sound and reliable
    theory, given the facts and circumstances of this particular case, that proinflammatory cytokines
    caused T.C.’s seizure disorder, epilepsy, and other neurological conditions.
    2.      Althen Prong Two
    Under Althen Prong Two, petitioner must prove by a preponderance of the evidence that
    there is a “logical sequence of cause and effect showing that the vaccination was the reason for
    the injury.” Capizzano, 
    440 F.3d at 1324
     (quoting Althen, 
    418 F.3d at 1278
    ). “Petitioner must
    show that the vaccine was the ‘but for’ cause of the harm . . . or in other words, that the vaccine
    was the ‘reason for the injury.’” Pafford, 451 F.3d at 1356 (internal citations omitted).
    In evaluating whether this prong is satisfied, the opinions and views of the vaccinee’s
    treating physicians are entitled to some weight. Andreu, 
    569 F.3d at 1367
    ; Capizzano, 
    440 F.3d 32
    at 1326 (“[M]edical records and medical opinion testimony are favored in vaccine cases, as
    treating physicians are likely to be in the best position to determine whether a ‘logical sequence
    of cause and effect show[s] that the vaccination was the reason for the injury.’” (quo ting Althen,
    
    418 F.3d at 1280
    )). Medical records are generally viewed as trustworthy evidence, since they are
    created contemporaneously with the treatment of the vaccinee. Cucuras, 
    993 F.2d at 1528
    . The
    petitioner need not make a specific type of evidentiary showing, i.e., “epidemiologic studies,
    rechallenge, the presence of pathological markers or genetic predisposition, or general
    acceptance in the scientific or medical communities to establish a logical sequence of cause and
    effect.” Capizzano, 
    440 F.3d at 1325
    . Instead, petitioner may satisfy her burden by presenting
    circumstantial evidence and reliable medical opinions. 
    Id. at 1325-26
    .
    Since petitioner failed to prove Althen Prong One, it follows that she cannot prove Althen
    Prong Two. However, even if petitioner had proven a sound and reliable causal mechanism, she
    failed to prove by preponderant evidence a logical sequence of cause and effect, showing that
    T.C.’s vaccinations caused T.C.’s condition for three reasons: T.C.’s clinical course is not
    consistent with vaccine-related seizures, epilepsy, and epileptic encephalopathy; the treating
    physicians did not associate her condition with her vaccinations; and there are potential
    alternative causes for her disorder.
    T.C.’s clinical course is not consistent with vaccine causation for several reasons. First,
    she had a progression of symptoms that began as exaggerated reflexes (Dr. Levin’s opinion)
    and/or “benign myoclonic jerks” (treating physician, Dr. Duchatelier’s opinion) which had
    occurred since her birth on September 9, 2013. On December 14, 2013, T.C. first had exotropia
    as described by T.C.’s treating doctor, Dr. Ferrand. Dr. Ferrand did not attribute this finding to
    T.C.’s vaccinations, and it was not observed nor documented until approximately one month
    after her two month vaccinations administered on November 13, 2013.51
    T.C.’s next abnormal neurological findings were inability to fixate on objects properly
    and head lag, noted by Dr. Ferrand on January 29, 2014. These symptoms occurred in the
    context of an upper respiratory infection, three days after documented fever (temperature 100.3)
    and nasal congestion. These symptoms occurred sixteen days after T.C.’s four month
    vaccinations. Dr. Ferrand did not attribute these abnormalities to T.C.’s vaccinations.
    The first clear evidence of seizure as documented by health care providers occurred on
    January 30, 2014, when T.C. had loud sounds when feeding and her body tensed up like she
    could not breath for about one minute. She was evaluated at Good Samaritan ED, where Dr.
    Badleo observed that T.C. was constantly thrashing around and unable to make eye contact. T.C.
    was assessed with possible febrile seizure. The next day, January 31, T.C. was evaluated by Dr.
    Shah who documented the history of upper respiratory symptoms fo ur days prior to the episode
    which brought T.C. to the hospital. An EEG showed abnormalities consistent with epileptic
    activity. T.C.’s MRIs were normal, and did not show any evidence of disruption of the blood
    brain barrier or inflammation to support Dr. Levin’s theory of based on proinflammatory
    cytokines.
    51T.C. received her two month vaccinations on November 13, 2013, and the first notation of
    exotropia in her medical records was dated on December 14, 2013. Pet. Ex. 2 at 39.
    33
    The physicians who saw T.C. in the hospital after she presented on January 30, were
    impressed with and noted her history of movements (exaggerated startle or twitches) since birth.
    They also noted her history of an abnormal eye examination and head lag. In summary, as
    described by Dr. Wiznitzer, the records illustrate a progression of symptoms over time, and this
    clinical course, along with the abnormal EEG, resulted in a diagnosis of epilepsy.
    Given the theory proposed by Dr. Levin, 52 cytokines would be elevated for three to four
    days after each vaccination. Dr. Wiznitzer opined, however, that the records do not describe any
    significant worsening of T.C.’s condition in the days following any of her vaccinations. The
    undersigned finds Dr. Wiznitzer’s opinion on this point more persuasive, as it is consistent with
    the chronology set forth in the contemporaneous medical records created by T.C.’s treating
    physicians.
    Further, T.C.’s treating physicians did not attribute her epilepsy or encephalopathy to her
    vaccinations. On January 29, 2014, when T.C. was unable to fixate on objects and had head lag,
    Dr. Ferrand did not document any association with her vaccinations. On January 30, Dr. Badleo
    noted that T.C. was constantly thrashing around and did not make eye contact but did not relate
    the findings or potential seizure disorder to her vaccinations. On January 31, T.C. was seen by
    Dr. Shah and Dr. Duchatelier. Neither attributed the neurological findings or abnormal EEG
    showing epileptic activity to vaccinations. A review of the records fails to demonstrate that
    T.C.’s physicians attributed her seizures or epilepsy to her vaccinations.
    Moreover, T.C.’s clinical deterioration occurred on January 30, 2014, when she had a
    seizure that occurred in the context of an upper respiratory infection. Dr. Wiznitzer opined that
    illness can provoke seizure activity. This raises the question of an alternative cause—that the
    upper respiratory infection may have been a trigger for the seizure and clinical deterioration.
    There is support for this position in the medical records. See Pet. Ex. 5 at 7 (noting T.C.’s
    diagnosis of nasal congestion and upper respiratory infection by Dr. Santangelo); Pet. Ex. 5 at 60
    (documenting T.C.’s history of upper respiratory symptoms for four days prior and an episode of
    “stiffening of body with staring” from Dr. Shah).
    The undersigned is not persuaded by petitioner’s arguments, given T.C.’s clinical course,
    treating physicians’ statements, the experts’ opinions, and medical literature. The undersigned
    acknowledges that petitioner is not required to eliminate other potential causes in order to be
    entitled to compensation. See Walther v. Sec’y of Health & Hum. Servs., 
    485 F.3d 1146
    , 1149-
    52 (Fed. Cir. 2007) (finding petitioner does not bear the burden of eliminating alternative
    independent potential causes). However, she finds it reasonable to consider “evidence of other
    possible sources of injury”—here, T.C.’s upper respiratory infection—in determining “whether a
    52Dr. Levin testified that the innate immune response is almost immediate, causing the
    production of proinflammatory cytokines within hours, while the adaptive immune response
    takes a week and lasts about a month, although it is not very serious after the first three to four
    days. Pet. Ex. 15 at 4. Dr. Levin opined that the adaptive immune T and B cells also produced
    cytokines. 
    Id.
     This aspect of his opinion, however, was not well developed, and does not
    provide support for his theory.
    34
    prima facie showing has been made that the vaccine[s] [were] a substantial factor in causing the
    injury in question.” Stone v. Sec’y of Health & Hum. Servs., 
    676 F.3d 1373
    , 1379 (Fed. Cir.
    2012) (“[E]vidence of other possible sources of injury can be relevant not only to the ‘factors
    unrelated’ defense, but also to whether a prima facie showing has been made that the vaccine
    was a substantial factor in causing the injury in question.”); de Bazan v. Sec’y of Health & Hum.
    Servs., 
    539 F.3d 1347
    , 1353 (Fed. Cir. 2008) (“The government, like any defendant, is permitted
    to offer evidence to demonstrate the inadequacy of the petitioner’s evidence on a requisite
    element of the petitioner’s case-in-chief.”); Pafford, 451 F.3d at 1358-59 (“[T]he presence of
    multiple potential causative agents makes it difficult to attribute ‘but for’ causation to the
    vaccination. . . . [T]he Special Master properly introduced the presence of the other unrelated
    contemporaneous events as just as likely to have been the triggering event as the vaccinations.”).
    In addition to the issue of the upper respiratory infection, and its role in triggering the
    initial clinically notable seizure, there is the question about the role that T.C.’s genetic variant
    (GABRB2 de novo mutation) played in causing her seizures, epilepsy, and epileptic
    encephalopathy. There is support in the medical records to establish that T.C.’s physicians place
    significant weight on her GABRB2 genetic abnormality, and its role in her condition. For
    example, T.C.’s neurologist, Dr. Sykho, T.C.’s pediatrician, Dr. Jan, and Northwell Health
    Hospital Nurse Practitioner, Cristina Farrell, noted T.C.’s genetic abnormality in context with her
    illness. Resp. Ex. GG at 19; Resp. Ex. FF at 12; Pet. Ex. 37 at 3.
    Dr. Wiznitzer devotes considerable time on this aspect of his opinion, and explains why
    he believed T.C.’s genetic variant is the cause of her epilepsy and encephalopathy. The genetic
    testing done at Columbia University Medical Center, however, stated that T.C.’s GABRB2
    abnormality is of “uncertain clinical significance.” Pet. Ex. 52 at 2. This phrase was repeated in
    March 2021, by Dr. Sykho, who noted that T.C. had genetic testing that revealed a variant of
    unknown significance in the GABRB2 gene. Dr. Sykho did not opine, however, that T.C.’s
    illness was solely due to her genetic abnormality. Thus, the testing and treating physician
    opinion evidence suggests that while T.C.’s genetic abnormality may be significant, there has
    been no identical mutation reported, and it remains of unknown significance. While the genetic
    abnormality may be the sole cause of T.C. condition, there is insufficient evidence for the
    undersigned to reach this conclusion at this time. It is reasonable, however, to consider
    “evidence of other possible sources of injury”—T.C.’s genetic abnormality—in determining
    “whether a prima facie showing has been made that the vaccine[s] [were] a substantial factor in
    causing the injury in question.” Stone, 
    676 F.3d at 1379
    .
    Evidence of other sources of injury, here, T.C.’s upper respiratory infection and her
    genetic abnormality, are “relevant not only to the ‘factors unrelated’ defense, but also to whether
    a prima facie showing has been made that the vaccine[s] [were] a substantial factor in causing
    the injury in question.” Stone, 
    676 F.3d at 1379
    ; see also de Bazan, 
    539 F.3d at 1353
     (“The
    government, like any defendant, is permitted to offer evidence to demonstrate the inadequacy of
    the petitioner’s evidence on a requisite element of the petitioner’s case-in-chief.”); Pafford, 451
    F.3d at 1358-59 (“[T]he presence of multiple potential causative agents makes it difficult to
    attribute ‘but for’ causation to the vaccination. . . . [T]he Special Master properly introduced the
    presence of the other unrelated contemporaneous events as just as likely to have been the
    triggering event as the vaccinations.”). But see Sharpe v. Sec’y of Health & Hum. Servs., 964
    
    35 F.3d 1072
    , 1082 (Fed. Cir. 2020) (finding there was no substantial evidence to support that the
    vaccinee’s genetic mutation was more likely than not the sole, substantial factor causing her
    severe seizure disorder).
    For all of the reasons described above, the undersigned finds that petitioner has failed to
    provide preponderant evidence of a logical sequence of cause and effect required under Althen
    Prong Two.
    3.      Althen Prong Three
    Althen Prong Three requires petitioner to establish a “proximate temporal relationship”
    between the vaccination and the injury alleged. Althen, 
    418 F.3d at 1281
    . That term has been
    equated to mean a “medically acceptable temporal relationship.” 
    Id.
     The petitioner must offer
    “preponderant proof that the onset of symptoms occurred within a timeframe which, given the
    medical understanding of the disease’s etiology, it is medically acceptable to infer causation -in-
    fact.” de Bazan, 
    539 F.3d at 1352
    . The explanation for what is a medically acceptable time
    frame must also coincide with the theory of how the relevant vaccine can cause the injury alleged
    (under Althen Prong One). Id.; Koehn v. Sec’y of Health & Hum. Servs., 
    773 F.3d 1239
    , 1243
    (Fed. Cir. 2014); Shapiro, 
    101 Fed. Cl. at 542
    .
    Both experts place the initial onset of T.C.’s seizure disorder which lead to her epilepsy
    on the date that she began having “enhanced startle reflexes” or “twitches,” although they
    disagree as to the date that these abnormalities began.
    Dr. Levin offered three opinions as to onset. In an expert report, he opined that T.C.’s
    initial neurological abnormality was her “enhanced startle reflex at one month of age ,” followed
    by twitches of her left arm, which progressed to a seizure disorder. Pet. Ex. 15 at 3. At the
    hearing, Dr. Levin testified that T.C.’s enhanced startle reflexes began after vaccination, and that
    T.C. received her first vaccination, a hepatitis B vaccine, on day one or two after birth. Tr. 50,
    52. However, he also testified that T.C. had seizures within five days of vaccination, on October
    9, 2013,53 when her mother noted an exaggerated startle reflex, which Dr. Levin opined was, in
    hindsight, the beginning of T.C.’s seizure disorder. Tr. 99. Thus, Dr. Levin’s opinions are
    internally inconsistent.
    In addition to being internally inconsistent, there are additional problems with Dr.
    Levin’s opinions as to onset. The most contemporaneous medical records by three different
    physicians establish that T.C.’s twitches, or enhanced startle reflexes, were present “since birth,”
    and did not begin at one month of age. On January 30, 2014, T.C. was evaluated by Dr. Badleo,
    when she was brought to Good Samaritan after she had an event described as “body tensed up
    like she couldn’t breath[e] for about 1 min[ute].” Pet. Ex. 5 at 31-32. Dr. Badleo took a history
    from petitioner, who reported that T.C. had constant twitches since birth, which “as per mom,
    she was born [with].” Id. at 33. The next day, January 31, T.C. was seen by Dr. Shah, who
    documented that “[p]arents state [T.C. had] intermittent ‘shivering’ movements since birth.” Id.
    53Although Dr. Levin testified that October 9 was within five days of vaccination, he was
    incorrect. T.C. did not receive any vaccinations within five days of October 9, 2013.
    36
    at 60. On that same day, T.C. was also evaluated by Dr. Duchatelier, who wrote, “Mom had []
    concerns about what sounds like benign myoclonic jerks (1 or 2 at a time) of mostly left shoulder
    that have occurred off and on since birth.” Id. at 69. Thus, three independent physicians all
    documented a consistent history reported by the parents that the abnormal movements at issue
    had occurred since birth.
    T.C.’s pediatrician did not note the “startle” or “twitches” in his early records. According
    to petitioner’s affidavit, petitioner told the pediatrician T.C. had twitches since birth and that at
    one month old T.C. startled for no reason. Dr. Ferrand told petitioner the twitches and startle
    movements were normal and were just due to her immature nervous system. Petitioner’s
    testimony, that Dr. Ferrand dismissed her concerns because the movements were thought to be
    normal, explains why the pediatrician’s early records do not include references to the twitching
    and startle movements. Taken together, petitioner’s statements, the pediatricians records, and the
    later records are all consistent. Only later testimony from petitioner, that the twitching and
    shivering movements did not occur until one month, is inconsistent, and thus, less reliable.
    Moreover, the weight of the evidence establishes that the twitches were present since birth.
    Medical records, “in general, warrant consideration as trustworthy evidence.” Cucuras,
    
    993 F.2d at 1528
    . Accordingly, where subsequent testimony conflicts with contemporaneous
    medical records, special masters usually accord more weight to the medical records. See, e.g.,
    Reusser v. Sec’y of Health & Hum. Servs., 
    28 Fed. Cl. 516
    , 523 (1993) (“[W]ritten
    documentation recorded by a disinterested person at or soon after the event at issue is generally
    more reliable than the recollection of a party to a lawsuit many years later.”); Rogero v. Sec’y of
    Health & Hum. Servs., No. 11-770V, 
    2017 WL 4277580
    , at *37 (Fed. Cl. Spec. Mstr. Sept. 1,
    2017), aff’d, 748 F. App’x 996 (Fed. Cir. 2018). Additionally, special masters under the Vaccine
    Act have in most cases declined to credit later testimony over contemporaneous records. See,
    e.g., Stevens v. Sec’y of Health & Hum. Servs., No. 90-221V, 
    1990 WL 608693
    , at *3 (Fed. Cl.
    Spec. Mstr. Dec. 21, 1990); see also Vergara v. Sec’y of Health & Hum. Servs., No. 08-882V,
    
    2014 WL 2795491
    , at *4 (Fed. Cl. Spec. Mstr. May 15, 2014) (“Special Masters frequently
    accord more weight to contemporaneously-recorded medical symptoms than those recorded in
    later medical histories, affidavits, or trial testimony.”); Cucuras, 
    993 F.2d at 1528
     (noting that
    “the Supreme Court counsels that oral testimony in conflict with contemporaneous documentary
    evidence deserves little weight”).
    The next problem is that some of Dr. Levin’s opinions as to onset were based on factually
    incorrect information. At the hearing, Dr. Levin initially placed the date of T.C.’s first
    vaccination at day one or two after birth, (Tr. 54) while the medical records document that T.C.
    did not receive her first vaccine until day four, September 13, when she presented to her
    pediatrician’s office. He also opines that T.C.’s startle reflex began on October 9, which he
    testified was within five days of vaccination. See Tr. 99. October 9, however, was three weeks
    after T.C.’s first hepatitis B vaccination, not five days post-vaccination. The undersigned finds
    the opinions of Dr. Levin based on inaccurate foundational evidence to be unsupported and
    unreliable.
    In contrast, Dr. Wiznitzer based his opinion on the contemporaneous medical records
    which place the onset of T.C.’s enhanced startle reflexes or twitches as occurring since birth.
    37
    Resp. Ex. A at 12. Dr. Wiznitzer opined that T.C.’s twitches, noted from birth, were evidence of
    her epilepsy disorder. Although Dr. Wiznitzer opined that T.C. was born with her condition, he
    persuasively explained that after the initial manifestations begin, T.C.’s condition evolved over
    time. 
    Id.
     Here, T.C. had abnormal movements, twitching, abnormal eye movements, and
    feeding issues, and then the seizure manifestations of epilepsy began. Tr. 170.
    Based on the contemporaneous records by the treating physicians, as described above, the
    undersigned finds that T.C.’s abnormal movements, twitches, or enhanced startle reflexes
    occurred since birth. Specifically, as to the onset of T.C.’s encephalopathy, both Dr. Levin and
    Dr. Wiznitzer agree. Dr. Levin opined that T.C.’s CNS disorder began in Decem ber 2013, when
    T.C.’s pediatrician noted exotropia. Dr. Wiznitzer agreed and opined that T.C.’s encephalopathy
    manifested when she had exotropia, documented on December 14, 2013.
    Further, based on the opinions of Dr. Wiznitzer, as well as the contemporaneous medical
    records, and all of the evidence filed in this matter, the undersigned finds that T.C. was born with
    her condition, and that her condition was first manifested by her abnormal movements, referred
    to as enhanced startle reflexes or twitches. The undesigned finds exotropia to be the initial
    manifestation of her encephalopathy. T.C.’s clinical deterioration and clinically documented
    seizures, all well-documented by her treating physicians from January 26 to 30, 2014, were also
    manifestations of her epileptic encephalopathy. 54
    Based on a review of all of the evidence, the undersigned finds that petitioner has failed
    to prove by preponderant evidence that an onset of symptoms after vaccination occurred in an
    appropriate time frame of three to four days after vaccination. Therefore, petitioner has failed to
    provide preponderant evidence to satisfy Althen Prong Three.
    VII.   CONCLUSION
    It is clear that petitioner has had a very difficult struggle caring for T.C. since shortly
    after her birth, and the undersigned extends her sympathy to petitioner and to T.C. for the
    overwhelming issues that they have faced. The undersigned’s decision, however, cannot be
    decided based upon sympathy, but rather on the evidence and law.
    For all of the reasons discussed above, the undersigned finds that petitioner has not
    established by preponderant evidence that vaccination caused T.C.’s condition. Therefore,
    petitioner is not entitled to compensation and the petition must be dismissed. In the absence of a
    timely filed motion for review pursuant to Vaccine Rule 23, the Clerk of Court SHALL
    ENTER JUDGMENT in accordance with this Decision.
    54While the treating physicians noted her history of exotropia, it does not appear that they
    diagnosed T.C. with epileptic encephalopathy based on that finding. The diagnosis of epileptic
    encephalopathy was documented in May 2014, after T.C. was hospitalized due to her clinical
    deterioration. Pet. Ex. 8 at 497, 506. Regardless of whether T.C.’s onset of epileptic
    encephalopathy manifested as early as December 14, 2013, when she had exotropia, or later in
    May 2014, when the diagnosis of epileptic encephalopathy was documented, the undersigned
    does not find there to be any temporal association with T.C.’s vaccinations.
    38
    IT IS SO ORDERED.
    s/Nora Beth Dorsey
    Nora Beth Dorsey
    Special Master
    39
    

Document Info

Docket Number: 16-1479

Judges: Nora Beth Dorsey

Filed Date: 8/15/2022

Precedential Status: Precedential

Modified Date: 8/15/2022

Authorities (23)

Stone v. Secretary of Health and Human Services , 676 F.3d 1373 ( 2012 )

June Shyface and Patricia Shyface, as Legal Representatives ... , 165 F.3d 1344 ( 1999 )

Rose Capizzano v. Secretary of Health and Human Services , 440 F.3d 1317 ( 2006 )

John Cucuras and Maria Cucuras, Parents and Next Friends of ... , 993 F.2d 1525 ( 1993 )

Alisa Bradley and Ronald Bradley, Parents and Next Friends ... , 991 F.2d 1570 ( 1993 )

Broekelschen v. Secretary of Health & Human Services , 618 F.3d 1339 ( 2010 )

Debra Ann Knudsen, by Her Parents and Legal Guardians, ... , 35 F.3d 543 ( 1994 )

Walther v. Secretary of Health and Human Services , 485 F.3d 1146 ( 2007 )

Carl J. Perreira and Christina J. Perreira, Parents and ... , 33 F.3d 1375 ( 1994 )

Gary G. Bunting, as Father and Next Friend of Bradley ... , 931 F.2d 867 ( 1991 )

Moberly v. Secretary of Health & Human Services , 592 F.3d 1315 ( 2010 )

Althen v. Secretary of Health and Human Services , 418 F.3d 1274 ( 2005 )

Andreu Ex Rel. Andreu v. Secretary of Health and Human ... , 569 F.3d 1367 ( 2009 )

Ryan Burns, by His Mother and Next Friend, Donna Burns v. ... , 3 F.3d 415 ( 1993 )

Shapiro v. Secretary of Health & Human Services , 105 Fed. Cl. 353 ( 2012 )

Graves ex rel. Estate of Graves v. Secretary of the Dept. ... , 109 Fed. Cl. 579 ( 2013 )

Reusser v. Secretary of the Department of Health & Human ... , 28 Fed. Cl. 516 ( 1993 )

Rooks v. Secretary of Department of Health & Human Services , 35 Fed. Cl. 1 ( 1996 )

Murphy v. Secretary of the Department of Health & Human ... , 23 Cl. Ct. 726 ( 1991 )

De Bazan v. Secretary of Health and Human Services , 539 F.3d 1347 ( 2008 )

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