Foster v. Commissioner of Correction (No. 1) ( 2020 )


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    SJC-12935
    STEPHEN FOSTER1 & others2 vs. COMMISSIONER OF CORRECTION &
    others3 (No. 1).
    Suffolk.     May 7, 2020. - June 2, 2020.
    Present:    Gants, C.J., Lenk, Gaziano, Lowy, Budd, Cypher,
    & Kafker, JJ.
    Commissioner of Correction. Parole. Commissioner of Public
    Safety. Governor. Imprisonment, Safe environment.
    Constitutional Law, Sentence, Imprisonment, Cruel and
    unusual punishment. Due Process of Law, Sentence,
    Commitment. Practice, Criminal, Sentence, Execution of
    sentence. Practice, Civil, Civil commitment.
    Civil action commenced in the Supreme Judicial Court for
    the county of Suffolk on April 17, 2020.
    The case was reported by Cypher, J.
    James R. Pingeon for the plaintiffs.
    1   On behalf of himself and all others similarly situated.
    2 Michael Gomes, Peter Kyriakides, Richard O'Rourke, Steven
    Palladino, Mark Santos, David Sibinich, Michelle Tourigny,
    Michael White, Frederick Yeomans, and Hendrick Davis, on behalf
    of themselves and all others similarly situated.
    3 Chair of the parole board, Secretary of the Executive
    Office of Public Safety and Security, and the Governor.
    2
    Stephen G. Dietrick for Commissioner of Correction &
    another.
    Ryan P. McManus, Special Assistant Attorney General, for
    the Governor.
    Michael R. Byrne for the parole board.
    The following submitted briefs for amici curiae:
    Tatum A. Pritchard for Disability Law Center, Inc.
    Rachael Rollins, District Attorney for the Suffolk
    District, & Hon. Jon Santiago, pro se.
    Matthew R. Segal for American Civil Liberties Union of
    Massachusetts & another.
    GAZIANO, J.   The plaintiffs, incarcerated inmates serving
    sentences or individuals who are civilly committed under G. L.
    c. 123, § 35, commenced this class action in the county court,
    alleging that their conditions of confinement expose them to
    unreasonable risks from the COVID-19 pandemic.   They claim,
    among other things, that the defendants' failure to take readily
    available steps to reduce the incarcerated population to safe
    levels so as to permit adequate physical distancing within
    prison walls constitutes cruel and unusual punishment in
    violation of the Eighth Amendment to the United States
    Constitution and art. 26 of the Massachusetts Declaration of
    Rights, and violates substantive due process requirements
    guaranteed under the Fourteenth Amendment to the United States
    Constitution and arts. 1, 10, and 12 of the Massachusetts
    Declaration of Rights.
    The plaintiffs sought a preliminary injunction enjoining
    the Department of Correction (DOC) from (1) housing any prisoner
    3
    in a facility where the population exceeds its design-rated
    capacity and (2) "[h]ousing any prisoner in a cell, room, dorm,
    or other living area where they must sleep, eat, or recreate
    within six feet of another person."4   To accomplish this, the
    plaintiffs asked that the DOC be ordered to reduce the number of
    incarcerated individuals such that the proper physical
    distancing can be maintained in all facilities.   They also
    requested that the parole board be ordered to expedite the
    release of certain groups of inmates, consider the risks of
    COVID-19 in all parole decisions, and adopt a presumption of
    release on parole for all inmates who are eligible for parole.5
    In addition, the plaintiffs sought to enjoin the DOC from
    continuing to confine individuals who are civilly committed
    pursuant to G. L. c. 123, § 35.
    4 The plaintiffs also asked that the Department of
    Correction (DOC) be enjoined from housing any inmate in a cell,
    dormitory, or other living area that does not comply with the
    minimize size standards established by the Department of Public
    Health (DPH) as set forth in 105 Code Mass. Regs. §§ 451.320-
    451.322 (2004); maintaining any medical services unit or
    medication distribution area in which inmates have to wait
    within six feet of each other; and transferring any inmate from
    a county jail to the DOC.
    5 The parole board sought to dismiss all claims against it
    on the grounds that it is not responsible for conditions of
    confinement in DOC facilities and has no control over them, and
    also that the plaintiffs' requests for relief exceed the bounds
    of the parole board's statutory authority; that motion was
    denied. See Foster v. Commissioner of Correction (No. 2), 484
    Mass.     ,      (2020)(Foster [No. 2]).
    4
    The single justice reserved and reported the case to the
    full court.6   She also remanded the matter to the Superior Court
    "for fact-finding that will enable the full court to decide the
    case in the first instance."   A Superior Court judge, by special
    assignment, conducted a series of evidentiary hearings, took
    limited testimony from all parties over three days, collected
    affidavits, and submitted his findings to this court.     We also
    ordered the defendants to provide answers to additional
    questions pursuant to Mass. R. A. P. 16 (l), as appearing in 
    481 Mass. 1628
     (2019).
    The initial question before us at this stage is whether a
    preliminary injunction should issue.   This in turn requires a
    determination whether the plaintiffs are likely to succeed on
    the merits of their claims.    See Packaging Indus. Group, Inc. v.
    Cheney, 
    380 Mass. 609
    , 616-617 (1980).
    To prevail on an Eighth Amendment claim, an individual must
    establish that the punishment is inconsistent with "the evolving
    standards of decency that mark the progress of a maturing
    society."   See Trop v. Dulles, 
    356 U.S. 86
    , 100-101 (1958).
    Prison officials have a duty under the Eighth Amendment to
    protect inmates in their custody from the spread of serious,
    6 The Governor moved in this court to dismiss the claims
    against him on the ground of sovereign immunity; that motion was
    allowed, and thus, the Governor is no longer a party to this
    case. See Foster (No. 2), 484 Mass. at     .
    5
    communicable diseases, including where the complaining inmate
    does not show symptoms of the disease, or where "the possible
    infection might not affect all of those exposed."   Helling v.
    McKinney, 
    509 U.S. 25
    , 33 (1993) ("We have great difficulty
    agreeing that prison authorities may not be deliberately
    indifferent to an inmate's current health problems but may
    ignore a condition of confinement that is sure or very likely to
    cause serious illness and needless suffering the next week or
    month or year").
    Thus, to be entitled to a preliminary injunction in their
    claims for unconstitutional conditions of confinement because of
    the risk of spread of a disease, the incarcerated plaintiffs
    must show that they are likely to establish that the defendants
    have been deliberately indifferent to a substantial risk of
    serious harm to their health or safety.   See Estelle v. Gamble,
    
    429 U.S. 97
    , 103-104 (1976); Torres v. Commissioner of
    Correction, 
    427 Mass. 611
    , 613-614, cert. denied, 
    525 U.S. 1017
    (1998).
    It is undisputed, as we recognized in Committee for Pub.
    Counsel Servs. v. Chief Justice of the Trial Court, 
    484 Mass. 431
    , 445 (2020) (CPCS v. Trial Court), that, due to the COVID-19
    pandemic, the situation inside the Commonwealth's jails and
    prisons "is urgent and unprecedented, and that a reduction in
    the number of people who are held in custody is necessary."
    6
    Nonetheless, on the record here, we conclude that the
    incarcerated plaintiffs are unlikely to succeed on the merits of
    their claim for violations of the Eighth Amendment, and thus
    their motion for a preliminary injunction must be denied.
    As to the plaintiffs' argument that commitment to a secure
    facility for substance abuse treatment during the pandemic
    violates the substantive due process rights of the committed
    individual, on this record, the plaintiffs do not seem to have a
    representative class member at this point, and thus are unlikely
    to succeed on their petition for a class-based preliminary
    injunction.   Nonetheless, some immediate relief is necessary
    with respect to those who have been civilly committed pursuant
    to G. L. c. 123, § 35.   Under our supervisory authority pursuant
    to G. L. c. 211, § 3, we conclude that these individuals are
    entitled to a new hearing to enable a motion judge to take into
    account treatment limitations in the current circumstances, and
    to weigh the balance of potential benefits from treatment and
    the potential harms as a result of being held in wings of
    prisons and jails or other conditions of confinement during the
    pandemic.7
    7 We acknowledge the amicus letters of the American Civil
    Liberties Union of Massachusetts and the Massachusetts
    Association of Criminal Defense Lawyers; of the district
    attorney for the Suffolk district and Hon. Jon Santiago, pro se;
    and of Disability Law Center, Inc.
    7
    Background.   1.    COVID-19 in Massachusetts correctional
    facilities.   Despite a massive, concerted global containment
    effort, COVID-19 has continued to spread, both around the world
    and in Massachusetts.8    Few inhabited places worldwide have been
    spared from infections; the Massachusetts correctional system is
    not among them.
    For many, the virus causes only mild symptoms.     For others,
    particularly the elderly or those with preexisting conditions,
    the disease poses a substantial likelihood of serious illness or
    death.   Indeed, since February 29, 2020, the disease has killed
    more than 100,000 people in the United States and more than
    6,700 people in Massachusetts.    The demographic distribution of
    severe cases is of particular importance here, because
    Massachusetts has the highest percentage of elderly prisoners
    relative to all other States.9    Prisoners also have been shown to
    age more rapidly than the general population, typically
    developing the chronic conditions and disabilities associated
    with old age ten to fifteen years earlier than their
    8 According to data published by the DPH, on April 17, 2020,
    the date the plaintiffs' complaint was filed, there were 34,402
    confirmed cases of COVID-19 in Massachusetts. By the date of
    oral argument on May 7, 2020, that number had more than doubled
    to 73,721 cases. As of May 29, there were 95,512 confirmed
    cases in Massachusetts.
    9 As of May 11, 2020, thirteen percent of the prisoners in
    DOC custody (957 of 7,343) were age sixty or older and thirty-
    one percent (2,265) were age fifty or older.
    8
    nonincarcerated counterparts.     According to estimates by the
    Commissioner of Correction (commissioner), fifty percent of the
    inmates under her care and control either are over sixty years
    of age or have an underlying medical condition that puts them at
    heightened risk for a severe course of COVID-19, should they
    contract the virus.
    In CPCS v. Trial Court, 484 Mass. at 456 (Appendix B), we
    appointed a special master and established daily reporting
    requirements in order to monitor the populations of
    Massachusetts correctional institutions, and the progression of
    COVID-19 within them.    As of May 25, 2020, the DOC reported 396
    confirmed cases among inmates.     The vast majority of these cases
    were found in three institutions:     the Massachusetts
    Correctional Institution (MCI)-Shirley (160 cases) and MCI-
    Framingham (84 cases); and the Massachusetts Treatment Center
    (MTC) (130 cases).     Five other institutions had at least one
    case among the incarcerated, and the rest reported zero
    confirmed cases.     The data do not reveal how many of these
    individuals are actively symptomatic or how many have recovered
    from the disease.     Eight incarcerated individuals have died of
    COVID-19.
    Staff at a number of correctional institutions also have
    9
    tested positive for the virus.10     As of May 25, 2020, 182 DOC
    staff, across eleven DOC facilities, had confirmed cases of
    COVID-19.   While MCI-Shirley, the MTC, and MCI-Framingham again
    had the highest numbers of positive tests, the distribution of
    infections amongst staff is broader than that of the inmates.
    As we noted in CPCS v. Trial Court, 484 Mass. at 437, infections
    among staff are of particular concern.      They not only risk
    bringing the virus into prisons, thereby spreading it amongst a
    closely confined, captive, and especially vulnerable population,
    but they also risk spreading the virus from prisons into the
    broader community.     Id.   As with inmates, the data do not reveal
    how many staff are currently symptomatic or recovered.
    Currently, no correctional staff have died of COVID-19.
    As part of ascertaining how crowded these facilities are,
    the parties ask us to compare the total number of prisoners to
    dueling definitions of prison capacity:      operational capacity or
    design capacity.     Operational capacity is based on guidelines
    issued by the Association of State Correctional Administrators.
    CPCS v. Trial Court, 484 Mass. at 439 n.12.     Design capacity
    refers to "[t]he number of inmates that planners or architects
    intended for the institution," as revised by a rating official
    10In discussing staff, we include both those employed
    directly by the DOC and also vendors and subcontractors who work
    within correctional institutions.
    10
    from within the DOC.   See Governor, Quarterly Report on the
    Status of Prison Capacity, Fourth Quarter 2019, 10 (Apr. 2020)
    (defining design capacity).   In every facility in Massachusetts,
    the operational capacity is higher than the design capacity,
    sometimes significantly so.   In the most pronounced example, the
    North Central Correctional Institution at Gardner (NCCI-Gardner)
    has a design capacity of 568 inmates, but an operational
    capacity of 974 inmates.
    The metric matters.   As of May 25, 2020, no DOC facility
    was over its operational capacity, and five were operating at
    less than fifty percent of operational capacity.11   The DOC
    system as a whole was at approximately sixty-five percent of
    operational capacity (6,639 prisoners out of a total operational
    capacity of 10,209).   By contrast, five institutions were over
    their design capacities, including NCCI-Gardner (medium
    security), which was at 160 percent of its design capacity.      In
    aggregate, the DOC was operating at approximately eighty-nine
    percent of its design capacity (6,639 prisoners and design
    capacity of 7,492).
    11The three institutions at which there have been the most
    significant COVID-19 outbreaks do not stand out as notably
    crowded. The MTC is at 80% of operational capacity and 94% of
    design capacity; MCI-Shirley (medium security) is at 81% of
    operational capacity and 121% of design capacity; and MCI-
    Framingham is at 20% of operational capacity and 26% of design
    capacity.
    11
    2.    Efforts at containment in correctional institutions.
    This court and all parties agree that correctional institutions
    face unique difficulties in keeping their populations safe
    during this pandemic.     Because the constitutional adequacy of
    the DOC's measures to control the spread of COVID-19 in its
    facilities is central to this litigation, we review them at some
    length.
    a.    Policy directives.   When the Governor declared a state
    of emergency on March 10, 2020, the DOC began implementing its
    COVID-19 control plans.    Beginning on March 12, 2020, the
    commissioner delivered a series of directives, memoranda, and
    advisories to both inmates and staff.    These essentially weekly
    communications document escalating and responsive efforts to
    implement guidance from the Centers for Disease Control (CDC)
    and the Department of Public Health (DPH).     The interim guidance
    by the CDC itself recognizes that full compliance with best
    practices is not feasible in all facilities; therefore, the
    commissioner has required each facility in Massachusetts to
    create its own compliance plan.    See Interim Guidance on
    Management of Coronavirus Disease 2019 (COVID-19) in
    Correctional and Detention Facilities (Mar. 23, 2020) (Interim
    Guidance), https://www.cdc.gov/coronavirus/2019-
    ncov/downloads/guidance-correctional-detention.pdf
    [https://perma.cc/MXY3-ETDL].
    12
    For example, the first memoranda issued guidance concerning
    proper hand-washing technique, sanitation, and questions used to
    screen potentially symptomatic staff and inmates.   The advisory
    issued on March 20, 2020, limited transports between facilities,
    authorized staff to wear personal protective equipment (PPE) in
    high-risk parts of facilities, and upgraded cleaning and
    disinfection protocols.   One week later, the guidance required
    staff to wear masks, provided PPE to certain inmates in
    especially high-risk areas, and allowed alcohol-based hand
    sanitizer, something that previously had been discouraged in
    prison settings.   On April 3, 2020, the commissioner initiated a
    system-wide lockdown.   Since then, inmates who live in cells
    have been spending twenty-three hours per day in their cells,
    while inmates living in dormitory-style housing have been unable
    to leave their units.
    While the plaintiffs contest whether these various
    directives are sufficient ultimately to ensure inmate safety, it
    is difficult to dispute that they show ongoing attention -- at
    least at the level of planning and policy -- both to guidance
    from the CDC and DPH and to the evolving situation on the
    ground.   Nonetheless, as the boxer Mike Tyson once said,
    "Everyone has a plan until they get hit."   That is to say, even
    the most meticulous and exceptional planning by the DOC still
    might not meet constitutional muster if there are pervasive
    13
    failures in implementation.     We therefore examine the execution
    of these plans and procedures.
    b.    Physical distancing.    Physical distancing between
    individuals (so-called "social distancing") has been a
    cornerstone of the public health response to COVID-19, both in
    the United States and around the world.     See generally Interim
    Guidance, supra.    The CDC defines social distancing as "the
    practice of increasing the space between individuals and
    decreasing the frequency of contact to reduce the risk of
    spreading a disease (ideally to maintain at least [six] feet
    between all individuals, even those who are asymptomatic)."       Id.
    at 4.    By following these practices, the goal is to slow the
    rate at which the disease progresses through the population.
    Since the first case of COVID-19 was detected in a DOC
    facility, the DOC has taken steps to implement physical
    distancing within all of its facilities.     Initially it banned
    contact sports, and later banned all use of gyms, weights, and
    prison yards.   Some inmate beds were moved further apart, and,
    in accordance with CDC guidance, inmates were asked to sleep
    head to foot, so as to increase the distance between their
    faces.    Meals now are served in cells or dormitories to avoid
    congregation in dining areas.    Staff have attempted, apparently
    at times unsuccessfully, to reduce or eliminate medication
    lines.
    14
    Certain aspects of prison design limit the degree to which
    physical distancing is possible.    Due both to the fact that some
    single cells have been reserved for quarantining inmates and
    because of the underlying building designs, currently fifty-
    eight percent of inmates sleep either in a two-person cell or in
    a dormitory-style room.   Since the lockdown, these inmates sleep
    and live within six feet of at least one other inmate, and
    sometimes many more.   Approximately seventy percent of prisoners
    eat within six feet of another prisoner.
    For example, plaintiff Michael White resides in a
    dormitory-style room at MCI-Concord that contains bunkbeds for
    approximately eighty inmates.     The beds are three feet apart,
    the sinks are one foot apart, and White generally eats within
    arm's reach of at least one other inmate.    White's account of
    attempting to maintain appropriate distance in a dormitory
    setting is consistent with accounts by plaintiffs Ryan Duntin
    and Dana Durfee.   Moreover, while the occupants of a dormitory
    may be siloed from other groups of inmates in the prison
    (something the DOC calls "cohorting"), if an asymptomatic guard
    or other staff member were to introduce the virus, this type of
    "cohorting" would be ineffective to prevent the spread of COVID-
    19 to those housed in the unit.
    The DOC argues that, even if those in double cells are
    unable to maintain physical distance from their cellmates, the
    15
    conditions are consistent with physical distancing guidance
    provided by the CDC because each pair of cellmates is analogous
    to a family unit in the broader community -- not distanced from
    one another, but from every other set of cellmates.    This
    argument has merit as far as it goes, but runs up against basic
    aspects of prison design:    those housed in double and single
    cells still often must share showers, toilets, sinks, and
    telephones with those in other cells on their tier or in their
    block.   Inmate testimony credited by the Superior Court judge
    consistently reported a lack of physical distancing with those
    in other cells while individuals use these essential fixtures or
    await their turn to do so.
    c.   Facility sanitation and personal protective equipment.
    The DPH is statutorily required to conduct biannual inspections
    of DOC facilities for compliance with health and sanitation
    regulations and to report on its findings and recommendations.
    See G. L. c. 111, § 20; 105 Code Mass. Regs. §§ 451.401 et seq.
    The plaintiffs draw our attention to recent reports for each DOC
    facility showing that health code violations for most facilities
    number in the hundreds.     The plaintiffs emphasize violations of
    regulations that recommend a specific amount of floor space per
    prisoner, and point out that twelve DOC facilities house at
    least some inmates in cells that do not meet the DPH recommended
    standards.   These violations are concerning generally, and all
    16
    the more so under conditions of global pandemic.
    We note, however, that the mere number of violations only
    paints a partial picture.     It does not distinguish between
    mandatory regulations (105 Code Mass. Regs. §§ 451.100, 451.200)
    and recommended standards (105 Code Mass. Regs. §§ 451.300).
    Furthermore, the violations vary significantly in severity.     At
    MCI-Framingham, for example, violations range from a paper towel
    dispenser that was not stocked at the time of inspection and a
    dusty wall fan to evidence of a "chronic rodent and insect issue
    in the food service areas."     Counting the number of violations
    alone does not capture this distinction.     Some chipped paint has
    little bearing on our analysis here; bathroom and shower areas
    at the MTC that were so poorly maintained as to yield an
    "increased risk of disease transmission" are highly germane.
    In March 2020, the DOC began ordering large amounts of PPE
    and cleaning supplies.     Cleaning regimens at all DOC facilities
    have been enhanced, and disinfectant cleaning supplies have been
    made available to inmates so that they may clean their own
    cells.   As stated, the DOC also has begun to allow alcohol-based
    hand sanitizer, which it has distributed widely across its
    facilities.   Despite these efforts, both cleaning supplies and
    hand sanitizer periodically have run short.     The precise extent
    of these shortages varies by institution and remains the subject
    of some factual dispute.
    17
    While initially PPE was provided only to correctional staff
    in specific, high-risk areas, its use has expanded as the
    pandemic has progressed.   Since March, staff have been required
    to wear masks at all times within the facilities.    Between April
    24, 2020, and April 28, 2020, the DOC distributed surgical masks
    to all inmates.   Not all staff have complied entirely with PPE
    mandates; likewise, some inmates have not followed the DOC's
    "strong encouragement" to wear the masks provided.    Supervising
    officers have used video surveillance records to discipline
    officers who have failed to comply with PPE requirements,
    including one officer who was suspended for five days when he
    and all of his staff were found not to be wearing masks.
    d.   Entrance screenings and quarantines.   To prevent the
    introduction of the virus into its facilities, the DOC has
    limited access to prisons; it has allowed only staff and
    attorneys to enter, and has prohibited visitors and volunteers.
    Each facility screens all those who seek entry according to
    protocols developed with reference to the guidance issued by the
    CDC and DPH.   These protocols involve a questionnaire and self-
    administered temperature check; those with temperatures over
    99.9 degrees Fahrenheit categorically are denied admittance.
    The effectiveness of these screenings are limited by the fact
    that, as all parties agree, asymptomatic individuals can spread
    the disease.
    18
    In every facility, the DOC has set aside areas to isolate
    and quarantine confirmed and suspected cases of COVID-19, as
    well as inmates who have refused to be tested.    Individuals
    entering DOC custody are quarantined for two weeks.    As of
    May 1, 2020, there were "many open cells in the quarantine
    unit[s]" available should COVID-19 cases spike.    Inmates who
    believe they are at heightened risk proactively may request
    isolation (being held in a single cell), subject to a medical
    evaluation, but there is not enough space to place all inmates
    at heightened risk, which would amount to one-half of the DOC
    population, in single cells.   Moreover, both the commissioner
    and the plaintiffs share a concern for the mental health
    implications of long-term single-cell isolation.
    e.   Testing.   The DOC's testing strategy has evolved as the
    pandemic has progressed.   The DOC conducted its first COVID-19
    test on March 19, 2020, when an inmate at the MTC presented with
    symptoms.   DOC reports that initially it followed CDC and DPH
    guidelines by deferring to the medical judgment of the medical
    providers at each facility as to the testing needed.    This
    generally involved testing inmates who were symptomatic or who
    had been in close contact with someone who tested positive.
    On April 22, 2020, large-scale mobile testing became
    available to the DOC, and it began administering tests to any
    inmate or patient who voluntarily agreed to be tested, facility
    19
    by facility.   As of May 25, 2020, the DOC had offered tests to
    all inmates or patients at thirteen facilities.    According to
    the schedule it submitted in its Mass. R. A. P. 16 (l) letter,
    all inmates will be offered an initial test by the end of May.
    Any staff member may receive a test at any time upon request.
    f.   Decreasing population.    The plaintiffs seek an order
    requiring the defendants to reduce the population of
    incarcerated persons until no prisoner is housed in a
    correctional facility where the population exceeds the design
    capacity of the institution or until no inmate is housed in a
    cell that does not meet the DPH-recommended floor space
    regulations.   It is unclear how many individuals would be
    required to be released in order to meet these criteria.     At the
    evidentiary hearing, the commissioner agreed that decreasing the
    inmate population at DOC facilities could help contain the
    spread of COVID-19, and that measures to do so should be taken,
    so long as they are lawful and appropriate in light of the over-
    all health and safety of the public.
    The commissioner has several tools at her disposal to
    reduce the population in DOC custody, including medical parole,
    good time credit, and furloughs.   The Superior Court judge found
    that the DOC has taken multiple steps to expedite the medical
    parole process, including shortening internal deadlines,
    reviewing home plans earlier in the process, and notifying
    20
    MassHealth so that the inmate has medical insurance upon
    release.    Since our decision in CPCS v. Trial Court, 484 Mass.
    at 435-436, 456-457 (Appendix B), twenty-six individuals have
    been approved for medical parole; it remains unclear how many of
    those individuals actually have been released.12
    Pandemic lockdown conditions effectively can lengthen
    sentences by limiting the opportunities by which inmates
    ordinarily would be able to earn good-conduct sentence
    deductions, or "good time credit."    See G. L. c. 127, § 129D.
    The statute permits 7.5 days of good time credit per activity,
    and fifteen days total per month.    See id.   In response to the
    pandemic, the commissioner awarded full good time credit for the
    month of March 2020 for anyone who had been earning such credit
    on March 1.    She also established a journaling program by which
    inmates can earn 7.5 days of good time credit for the month of
    April.     Therefore, in April, inmates were eligible for one-half
    the good time credits they ordinarily would have been able to
    obtain.    The commissioner indicated in her testimony that she
    was considering expanding these opportunities in May; the record
    does not indicate whether she has done so.
    The DOC has not used furloughs since the 1990s, based on a
    belief that it is "bad policy" to release an inmate who later
    12See Robert Malloy & another vs. Department of Correction,
    SJC No. 12961.
    21
    must be reincarcerated.   Accordingly, the DOC has not furloughed
    any inmates during the pandemic.
    The commissioner does not believe that she has statutory
    authority to allow inmates to serve any portion of their State
    prison sentence under home confinement.    We do not agree.     See
    G. L. c. 127, §§ 48, 49, 49A; Commonwealth v. Donohue, 
    452 Mass. 256
    , 265 (2008); discussion part 6, infra.
    3.    Plaintiffs committed for substance abuse treatment.
    Under G. L. c. 123, § 35, Massachusetts courts are authorized to
    commit an individual for involuntary substance use disorder
    treatment upon a finding that the individual has a substance use
    disorder and that the disorder poses a likelihood of serious
    harm.    See Matter of G.P., 
    473 Mass. 112
    , 120 (2015).
    Generally, committed individuals are sent to unsecured
    treatment facilities licensed by the DPH or the Department of
    Mental Health.   See G. L. c. 123, § 35.   If DPH informs the
    judge issuing the commitment that no such facilities are
    available, or "if the court makes a specific finding that the
    only appropriate setting for treatment for the person is a
    secure facility," the judge may commit the individual to a
    secure facility designated by the commissioner.    Id.    Currently,
    there are three secure facilities in the Commonwealth.     The DOC
    operates the Massachusetts Alcohol and Substance Abuse Center
    (MASAC), which is located at the MCI-Plymouth prison.     The
    22
    Hampden County sheriff, under an agreement with the DOC,
    operates the Stonybrook Stabilization and Treatment Centers at
    Ludlow and Springfield, both of which are located at the Hampden
    County Correctional Center.
    a.     General precautions.   Both the DOC and the Hampden
    County sheriff's office have taken steps to protect their
    patients from COVID-19.    All persons entering their facilities
    are screened for symptoms of COVID-19 and are held in a medical
    quarantine unit for fourteen days.    Staff members are required
    to wear masks; for certain activities, they also wear gloves.
    The degree of compliance with these requirements remains in
    dispute.    A declarant and an affiant for the plaintiffs state
    that masks and gloves are not consistently used or changed
    between uses at MASAC.    All patients have been given masks and
    soap.    MASAC does not provide soap in the bathrooms, so patients
    must bring their personal soap with them.    At MASAC, a private
    vendor cleans and sanitizes the facility daily, including within
    patient rooms. Between March 13 and April 23, 2020, the MASAC
    population declined by eighty-two percent, and the Stonybrook
    population declined by fifty-seven percent.     As of May 25, 2020,
    MASAC held forty-three patients.     This amounts to twenty-nine
    percent of its design capacity and seventeen percent of its
    operational capacity.    Due to the low censuses, all patients
    have been given single occupancy rooms.     On May 23, 2020, MASAC
    23
    reported that two patients tested positive for COVID-19.    One
    MASAC staff member had also previously tested positive.
    b.   Treatment.   The parties offer divergent accounts of the
    degree to which treatment has been interrupted by the pandemic;
    the Superior Court judge did not make findings discrediting any
    of these differing reports.   Plaintiff Mark Santos was committed
    to MASAC on March 4, 2020.    He avers that because MASAC went
    into a lockdown on April 3, 2020, he was required to remain in
    his cell, and could leave only to go to the restroom, make a
    telephone call, or receive medication.   Santos states that most
    treatment classes were canceled in mid-March, and he attended
    only one daily group session before the lockdown.    The lockdown
    was still in effect when he was released on April 9, and Santos
    avers that he received no treatment during the lockdown.    The
    DOC concedes that it instituted a lockdown at MASAC in order to
    make COVID-19 response plans, but maintains that the lockdown
    lasted only three days.
    Declarant Robert Peacock was committed to MASAC on
    April 24, 2020, and executed his declaration on April 28, 2020.
    He stated that he had been locked in his cell continuously since
    being committed, and could leave only to shower.    He said as
    well that he had received no counselling or any other type of
    24
    treatment since his arrival.13
    The DOC asserts that, for the first three days of their
    fourteen-day intake, patients are restricted to an observation
    room and assessed daily by clinical staff.     After three days,
    patients who have been "detox cleared" are moved out of the
    observation room but remain in the separate unit.    For the
    remainder of the fourteen-day period, patients receive
    "individual services" from a substance use disorder counsellor.
    Thereafter, MASAC patients are moved to the general treatment
    unit, where they attend group sessions and other programming.
    The Hampden County sheriff's office reports that new
    patients are provided substance abuse treatment while in their
    initial fourteen-day quarantine, and that, due to the lower
    population, patients currently receive more programing overall
    than they would have prior to the pandemic.
    Discussion.   1.   Standard of review.   "A party seeking a
    preliminary injunction must show that success is likely on the
    merits; irreparable harm will result from denial of the
    injunction; and the risk of irreparable harm to the moving party
    13The DOC maintains that Robert Peacock initially exhibited
    signs of withdrawal and confusion, and therefore was kept in an
    observation room until April 28, 2020, when he was "detox
    cleared." The DOC asserts that, on April 29, 2020, he met with
    a substance abuse counsellor, who described the program,
    explained the expectations of patients, and gave him some
    written treatment materials.
    25
    outweighs any similar risk of harm to the opposing party"
    (quotation and citations omitted).     Doe v. Worcester Pub. Sch.,
    
    484 Mass. 598
    , 601 (2010).     "In cases in which a public entity
    is a party, a judge may also weigh the risk of harm to the
    public interest in considering whether to grant a preliminary
    injunction" (citations omitted).     
    Id.
       See Fordyce v. Hanover,
    
    457 Mass. 248
    , 255 n.10 (2010); Packaging Indus. Group, Inc.,
    
    380 Mass. at 616-617
    .     "[T]he movant's likelihood of success is
    the touchstone of the preliminary injunction inquiry.     [I]f the
    moving party cannot demonstrate that he is likely to succeed in
    his quest, the remaining factors become matters of idle
    curiosity."    (Quotations and citations omitted.)   Maine Educ.
    Ass'n Benefits Trust v. Cioppa, 
    695 F.3d 145
    , 152 (1st Cir.
    2012).
    2.   Class certification.     In their complaint and in their
    motion for injunctive relief, the plaintiffs purport to
    represent one over-all class of individuals that also is made up
    of two smaller subclasses.     They seek class certification for
    all classes.     The broad injunctive relief sought by the
    plaintiffs is possible only if there is a class that may be
    certified.     Thus, in order to determine whether their class
    claims have a reasonable likelihood of success, a prerequisite
    for granting a preliminary injunction, we first must determine
    whether the requested classes may be certified.
    26
    Under Mass. R. Civ. P. 23 (a), as amended, 
    471 Mass. 1491
    (2015), members of a class may represent the class "only if
    (1) the class is so numerous that joinder of all members is
    impracticable, (2) there are questions of law or fact common to
    the class, (3) the claims or defenses of the representative
    parties are typical of the claims or defenses of the class, and
    (4) the representative parties will fairly and adequately
    protect the interests of the class."   Additionally, the court
    must conclude that "the questions of law or fact common to the
    members of the class predominate over any questions affecting
    only individual members, and that a class action is superior to
    other available methods for the fair and efficient adjudication
    of the controversy."   Mass. R. Civ. P. 23 (b).   The plaintiffs
    bear the burden of providing "information sufficient to enable
    the motion judge to form a reasonable judgment that the class
    meets the requirements of rule 23" (quotation and citation
    omitted).   Gammella v. P.F. Chang's China Bistro, Inc., 
    482 Mass. 1
    , 12 (2019).
    While the precise contours of the global class that the
    plaintiffs ask us to certify remain somewhat unclear, they are
    clear as two specific putative subclasses:   medically vulnerable
    individuals who are at high risk for serious complications or
    death from COVID-19 due to their underlying medical conditions
    or age, and those being held for treatment pursuant to G. L.
    27
    c. 123, § 35.
    We conclude that the plaintiffs have shown a substantial
    likelihood that a class of medically vulnerable inmates who are
    currently serving criminal sentences, or who will begin serving
    such sentences in the future, can be certified.     According to
    the commissioner, nearly one-half of the DOC population is
    potentially at heightened risk of a serious course of the
    disease, leaving little question of numerosity.     While there may
    be some variance between facilities, the legal claim and its
    basic factual underpinning are common to all potential class
    members:   that the increased risk of contracting COVID-19 caused
    by the current conditions of the correctional facilities, in
    concert with the individuals' medical vulnerability, constitutes
    cruel and unusual punishment.     Because this is precisely the
    claim of several of the named class members, they appear to be
    sufficiently typical and to have a substantial basis to show
    that they adequately and fairly can represent the class.
    Although the plaintiffs have shown that they are not
    precluded from establishing a substantial likelihood of success
    on the merits in at least one of their requests for class
    certification, we do not have an adequate basis in this record
    to ascertain the proper contours of who qualifies as medically
    vulnerable.     Nor, on this record, can we determine whether there
    is adequate commonality in the named plaintiffs and the
    28
    superclass of all incarcerated individuals the plaintiffs also
    seek to represent.     While we understand the pressing urgency of
    this litigation, the Superior Court judge is better positioned
    to take expert testimony and to determine the appropriate
    definition of medically vulnerable individuals for purposes of
    this litigation.     See Weld v. Glaxo Wellcome Inc., 
    434 Mass. 81
    ,
    87 n.8 (2001), citing Carpenter v. Suffolk Franklin Sav. Bank,
    
    370 Mass. 314
    , 317–318 (1976) (unlike its Federal counterpart,
    rule 23 of Massachusetts Rules of Civil Procedure does not
    mandate early ruling on class certification).
    The second subclass that the plaintiffs seek to represent,
    those being held under G. L. c. 123, § 35, presents an entirely
    different issue.     As the defendants point out, Mark Santos, the
    proposed representative of this class, was released eight days
    before the filing of the complaint.    He makes no claim that he
    is likely to be committed again.     Thus, he would not be able to
    bring this claim on his own behalf because injunctive relief,
    preliminary or otherwise, would not redress his asserted
    injury.14   See Los Angeles v. Lyons, 
    461 U.S. 95
    , 102 (1983);
    LightLab Imaging, Inc. v. Axsun Techs., Inc., 
    469 Mass. 181
    , 194
    14Our holding in Matter of a Minor, 
    484 Mass. 295
    , 299-300
    (2020), that the minor's release from commitment did not render
    his appeal moot, is inapposite. Santos does not appeal from the
    initial commitment decision. Cf. 
    id.
     Rather, he argues, on
    behalf of the class, that the conditions of confinement during
    the pandemic render continued confinement unconstitutional.
    29
    (2014).     Because he could not bring an action on his own behalf,
    Santos cannot represent the purported class.15    See Doe v.
    Governor, 
    381 Mass. 702
    , 704–705 (1980).
    The plaintiffs' ability to locate a substitute class member
    seems virtually certain.     Indeed, even this limited record
    contains an affidavit from Peacock, who was relatively newly
    committed when the complaint was filed, setting forth his
    concerns about lack of programming, the close to twenty-four
    hours per day he was held in his room, proximity to others when
    using certain necessary facilities, and cleanliness of shared
    surfaces.
    If, as appears virtually certain, the plaintiffs are able
    to obtain a suitable representative whose claims are typical of
    the class, we anticipate that they will succeed in meeting the
    certification requirements.     Multiple questions of law and fact
    15Any anticipated future mootness of the class
    representative's individual claims should not preclude class
    certification, where the "claims are so inherently transitory
    that the trial court will not have even enough time to rule on a
    motion for class certification before the proposed
    representative's individual interest expires" (citation
    omitted). See County of Riverside v. McLaughlin, 
    500 U.S. 44
    ,
    52 (1991), and cases cited. See also Gammella v. P.F. Chang's
    China Bistro, Inc., 
    482 Mass. 1
    , 20 n.24 (2019); Gonzalez v.
    Commissioner of Correction, 
    407 Mass. 448
    , 452 (1990). Thus,
    had Santos been committed when the complaint was filed, his
    subsequent release would not have prevented the class from being
    certified or Santos from continuing to represent it. Here,
    however, the issue is not mootness; rather, Santos lacked
    standing from the start. See County of Riverside, 
    supra at 51
    (distinguishing mootness from lack of standing).
    30
    are common to all putative class members, including issues
    regarding conditions of treatment and the risk of transmission
    in these conjugate settings.   Based on the broad nature of the
    plaintiffs' arguments, the issues in common apparently
    predominate over those they may not share.     The numerosity
    requirement almost certainly will be met because dozens of class
    members likely exist, and new commitments are ongoing, rendering
    joinder of all members impracticable.    See Gammella, 482 Mass.
    at 11–12 & n.15.   Lastly, adequacy exists due to the apparent
    lack of conflict between class members, and class counsel's
    ability vigorously to pursue the action.     See In re Hyundai &
    Kia Fuel Economy Litigation, 
    926 F.3d 539
    , 566 (9th Cir. 2019).
    Thus, we defer the issue of certification to allow the
    plaintiffs to locate and substitute an appropriate
    representative.    See Gonzalez v. Commissioner of Correction, 
    407 Mass. 448
    , 451-453 (1990) (holding that named plaintiff's claims
    were moot, denying defendant's motion to dismiss, and remanding
    matter to Superior Court with instructions to dismiss in set
    period of time if substitute plaintiff could not be found).      See
    also Mass. R. Civ. P. 15 (a), 
    365 Mass. 761
     (1974) (party may
    amend pleading "by leave of court or by written consent of the
    adverse party; and leave shall be freely given when justice so
    requires").
    Despite the open questions of class certification that we
    31
    remand for resolution in the Superior Court, we address the
    merits of the preliminary injunction, which has been briefed and
    argued before us.     See O'Sullivan v. Secretary of Human Servs.,
    
    402 Mass. 190
    , 192 (1988) (reaching merits of case, despite
    mootness of named plaintiffs, because defendants did not argue
    mootness and because counsel "apparently [were] prepared to
    pursue this action on behalf of [a substitute plaintiff]");
    Massachusetts Gen. Hosp. v. Rate Setting Comm'n, 
    371 Mass. 705
    ,
    713 (1977) (no error where court ruled on merits of case without
    ruling on class certification); Gooch v. Life Investors Ins. Co.
    of Am., 
    672 F.3d 402
    , 432–433 (6th Cir. 2012) (no error where
    court ruled on preliminary injunction before class
    certification).     The urgency of the claims raised convinces us
    that delaying resolution of the motion would do an injustice.
    3.   Constitutional claims.     While the plaintiffs' briefs do
    not make this distinction entirely clear, because only inmates
    who have been convicted and are serving a sentence are subject
    to punishment by the Commonwealth, the Eighth Amendment claims
    are applicable only to this group.     Any relief sought by civilly
    committed individuals must be sought on the grounds of a
    violation of substantive due process rights; because they are
    not being punished, the Eighth Amendment's protections against
    cruel and unusual punishment do not apply.    See Youngberg v.
    Romeo, 
    457 U.S. 307
    , 315–316 (1982).
    32
    We consider first the claims of the incarcerated
    individuals.
    a.   Eighth Amendment claims.   The plaintiffs contend that
    their conditions of confinement, and the defendants' failure to
    expedite the release of a greater number of individuals from
    incarceration, using any of a number of mechanisms, violate
    their rights under the Eighth and Fourteenth Amendments and
    arts. 1, 10, 12, and 26.
    Because we have not held that art. 26 provides greater
    protections with respect to conditions of confinement than does
    the Eighth Amendment, and conditions for the civilly committed
    must be at least as good as for those who are serving sentences
    of incarceration, see Youngberg, 
    457 U.S. at 321-322
    , we
    consider first the plaintiffs' likelihood of success under the
    Eighth Amendment.
    "The Eighth Amendment . . . prohibits any punishment which
    violates civilized standards and concepts of humanity and
    decency."   Young v. Quinlan, 
    960 F.2d 351
    , 359 (3d Cir. 1992).
    As the plaintiffs observe, the Eighth Amendment applies to
    conditions of confinement that are separate from and independent
    of any condition imposed as a part of sentencing.   See Helling,
    
    509 U.S. at 32-33
    .
    "[W]hen the State takes a person into its custody and holds
    him there against his will, the Constitution imposes upon
    it a corresponding duty to assume some responsibility for
    33
    his safety and general well being. . . . The rationale for
    this principle is simple enough: when the State by the
    affirmative exercise of its power so restrains an
    individual's liberty that it renders him unable to care for
    himself, and at the same time fails to provide for his
    basic human needs -- e.g., food, clothing, shelter, medical
    care, and reasonable safety -- it transgresses the
    substantive limits on state action set by the Eighth
    Amendment . . . ." (Quotation and citation omitted.)
    
    Id. at 32
    .
    In order to establish an unconstitutional condition of
    confinement, a claimant must show both an objective element and
    a subjective element.   Wilson v. Seiter, 
    501 U.S. 294
    , 298
    (1991).   The objective element requires an inmate to show that
    his or her living conditions amount to a "serious deprivation[]
    of basic human needs," Rhodes v. Chapman, 
    452 U.S. 337
    , 347
    (1981), which can include denial of medical care for serious
    medical needs, Estelle, 
    429 U.S. at 102-105
    .
    The subjective element requires an inmate to demonstrate
    that prison officials acted or failed to act with deliberate
    indifference.   
    Id. at 106
    .   See Torres, 427 Mass. at 614.   "[A]
    prison official cannot be found liable under the Eighth
    Amendment for denying an inmate humane conditions of confinement
    unless the official knows of and disregards an excessive risk to
    inmate health or safety; the official must both be aware of
    facts from which the inference could be drawn that a substantial
    risk of serious harm exists, and he [or she] must also draw the
    inference."   Farmer v. Brennan, 
    511 U.S. 825
    , 837 (1994).    While
    34
    subjective knowledge is a question of fact that a claimant must
    establish, and it is necessary to distinguish between obvious
    risks and a prison official's actual knowledge of the risk,
    where the risk is so obvious that a reasonable person would
    realize it, "a factfinder may conclude that a prison official
    knew of a substantial risk from the very fact that the risk was
    obvious."   
    Id. at 842
    .
    b.     Risk of contracting COVID-19 in the Commonwealth's
    prisons.    As stated, an inmate asserting unconstitutional
    conditions of confinement first must establish, objectively,
    that the conditions pose a "substantial risk of serious harm."
    See Farmer, 
    511 U.S. at 834
    , citing Helling, 
    509 U.S. at 35
    .
    See also Rhodes, 
    452 U.S. at 347
     (Eighth Amendment violation
    requires showing that living conditions amount to "serious
    deprivation of basic human needs," including denial of medical
    care for serious medical needs).
    The defendants contend that the incarcerated plaintiffs
    will be unable to establish the objective component of their
    deliberate indifference claim; they argue,
    "No prisoner has been forced to endure an extreme
    deprivation or even an unreasonable risk to their health or
    safety. The measures mentioned above, such as increased
    cleaning and sanitizing operations, distribution of PPE to
    all inmates and staff, posting of educational and
    institutional flyers and memoranda, and encouraging social
    distancing as much as possible, rival that which is being
    done in the community to help combat the spread of an
    insidious disease that all Americans, inmate or not, are at
    35
    risk of contracting."
    We do not agree.   Notwithstanding the claim that no inmate has
    had to endure an unreasonable risk to health or safety as a
    result of being incarcerated during the COVID-19 pandemic, there
    can be no real dispute that the increased risk of contracting
    COVID-19 in prisons, where physical distancing may be infeasible
    to maintain, has been recognized by the CDC and by courts across
    the country.16   See, e.g., Baez vs. Moniz, U.S. Dist. Ct., No.
    20-10753-LTS (D. Mass. May 18, 2020) ("There is, and can be, no
    meaningful dispute that COVID-19 presents a substantial risk of
    serious harm to health, to the proposed class of petitioners in
    this case as well as to members of society at large"); Refunjol
    vs. Adducci, U.S. Dist. Ct., No. 2:20-cv-2099 (S.D. Ohio May 14,
    2020) ("The objective component of the inquiry is beyond debate.
    Nobody can dispute that COVID-19 is a sufficiently serious
    medical need . . . ."); Frazier vs. Kelley, U.S. Dist. Ct.,
    No. 4:20-cv-00434-KGB (E.D. Ark. May 4, 2020) ("[I]t cannot be
    disputed that COVID-19 poses an objectively serious health risk
    16That the CDC interim guidance for prisons recognizes that
    in some instances it may not be feasible to maintain the
    recommended six feet, and offers other guidance that may help to
    reduce the risk as far as possible in such circumstances, does
    not mean, as the defendants appear to suggest, that the CDC
    recommends maintaining a lesser distance among incarcerated
    individuals than among others; it clearly states repeatedly that
    six feet or more "ideally" should be maintained between
    incarcerated individuals, including in housing arrangements.
    See Interim Guidance, supra at 3, 4, 11, 13, 19, 20.
    36
    to named plaintiffs and the putative classes given the nature of
    the disease and the congregate living environment of the . . .
    facilities").
    Having concluded that the incarcerated plaintiffs almost
    certainly will succeed in establishing the objective component
    of their claims under the Eighth Amendment, we turn to
    consideration of the subjective component, i.e., whether the
    plaintiffs are likely to be able to establish deliberate
    indifference on the part of the defendants.
    4.     Deliberate indifference.   a.   Applicable standard.
    "While Estelle[, 
    429 U.S. at 105-106
    ,] establishes that
    deliberate indifference entails something more than mere
    negligence, the cases are also clear that it is satisfied by
    something less than acts or omissions for the very purpose of
    causing harm or with knowledge that harm will result."       Farmer,
    
    511 U.S. at 835
    .    "With deliberate indifference lying somewhere
    between the poles of negligence on the one end and purpose or
    knowledge at the other," courts frequently have described it as
    "recklessly disregarding" a substantial risk of harm.        
    Id. at 836
    , and cases cited.    In other words, the subjective standard
    for deliberate indifference requires the same showing of
    "subjective recklessness" as would apply in the criminal
    context.   
    Id. at 839-840
    .
    This is not a static determination.      In a suit for
    37
    prospective relief, "the subjective factor, deliberate
    indifference, should be determined in light of the prison
    authorities' current attitudes and conduct," including "their
    attitudes and conduct at the time suit is brought and persisting
    thereafter."     Farmer, 
    511 U.S. at 845
    , quoting Helling, 
    509 U.S. at 36
    .      In making the requisite showing of subjective
    culpability, the prisoner may rely "on developments that
    postdate the pleadings and pretrial motions, as [prison
    officials] may rely on such developments to show that the
    [prisoner] is not entitled to an injunction."      Farmer, 
    supra at 846
    .
    b.   Analysis.17   Following the United States Supreme Court's
    reasoning in Estelle, 
    429 U.S. at 106
    , and Helling, 
    509 U.S. at 32-33
    , concerning prison officials' Eighth Amendment duty to
    take reasonable steps to protect inmates from the spread of
    serious communicable diseases, inmates across the country have
    The plaintiffs urge that, rather than the objective and
    17
    subjective components of deliberate indifference, this court
    apply the objective standard used in Kingsley v. Hendrickson,
    
    135 S. Ct. 2466
    , 2473 (2015), in evaluating their Eighth
    Amendment claims. This reasoning is misguided. Kingsley
    involved a claim by a pretrial detainee under 
    42 U.S.C. § 1983
    ,
    concerning the use of excessive force. The detainee asserted a
    violation of his substantive due process rights. Accordingly,
    to prevail, he was required to show only that the intentional
    use of force was excessive or objectively unreasonable, and not
    that the official intended it to be so. This standard, however,
    is inapplicable to claims of deliberate indifference under the
    Eighth Amendment.
    38
    brought a variety of actions successfully challenging the
    policies, or lack of policies, of prison officials regarding the
    spread of contagious diseases and other conditions that threaten
    health throughout a prison.   In Lareau v. Manson, 
    651 F.2d 96
    ,
    109 (2d Cir. 1981), for example, the United States Court of
    Appeals for the Second Circuit applied this line of reasoning to
    hold prison officials liable for violating the Eighth Amendment
    when they made no efforts to screen incoming inmates for
    contagious diseases, despite significant overcrowding that
    further heightened the risk of infection.    The court held that
    aggrieved prisoners need not demonstrate that "an infectious
    disease has actually spread in an overcrowded jail before
    issuing a remedy."   
    Id.
       See, e.g., DeGidio v. Pung, 
    920 F.2d 525
    , 533 (8th Cir. 1990) (prison officials were deliberately
    indifferent to inmates' serious medical needs by consistent
    pattern of reckless or negligent conduct in failing to prevent
    and control prison's tuberculosis epidemic); Dunn v. White, 
    880 F.2d 1188
    , 1195 (10th Cir. 1989), cert. denied, 
    493 U.S. 1059
    (1990) (observing that prison's failure to protect incarcerated
    inmates from human immunodeficiency virus [HIV] infection may
    violate Eighth Amendment); Smith v. Sullivan, 
    553 F.2d 373
    , 380
    (5th Cir. 1977) (concluding that housing scabies- and gonorrhea-
    infected inmates with healthy prisoners violates Eighth
    Amendment).
    39
    Where the risk of serious harm is substantial, but prison
    officials have undertaken significant steps to try to reduce the
    harm and protect inmates, courts have concluded that there was
    no Eighth Amendment liability.18   In Butler v. Fletcher, 
    465 F.3d 340
    , 345 (8th Cir. 2006), cert. denied, 
    550 U.S. 917
     (2007), for
    example, the United States Court of Appeals for the Eighth
    Circuit determined that the sheriff in charge of a county jail
    was not deliberately indifferent to the risk of a tuberculosis
    infection within the jail where the county adopted "policies
    [that] specifically acknowledged the risk and promulgated
    detailed procedures for the diagnosis, segregation, and
    treatment of . . . inmates infected with active cases of
    [tuberculosis]."   See Johnson v. United States, 
    816 F. Supp. 1519
    , 1522-1525 (N.D. Ala. 1993) (applying reasoning in Lareau,
    
    651 F.2d at 109
    , and concluding that inmate did not establish
    violation of Eighth Amendment from being housed in cell with
    patient who was dying from acquired immune deficiency syndrome,
    where prison officials' policies educated inmates on "universal
    precautions" and prohibited type of high risk behavior that
    18Courts have relied on similar reasoning in considering
    prison officials' policies with respect to other widespread
    risks to health and safety. See, e.g., Rish v. Johnson, 
    131 F.3d 1092
    , 1099 (4th Cir. 1997) (requiring inmates to clean up
    blood and bodily fluids without providing them gloves); Wallis
    v. Baldwin, 
    70 F.3d 1074
    , 1077 (9th Cir. 1995) (requiring inmate
    to clean attic full of asbestos, known carcinogen, without
    protective equipment).
    40
    could result in HIV infection).
    While there are as yet no appellate court decisions on
    claims asserting a violation of the Eighth Amendment due to the
    increased risk of exposure to COVID-19 in prisons, a number of
    Federal District Courts have considered the issue using a
    similar analysis.   For example, in Baez, No. 20-10753-LTS, the
    United States District Court for the District of Massachusetts
    concluded that the inmate-petitioners had not established a
    likelihood of success on the merits.   Given prison officials'
    "many measures and policies aimed at keeping COVID-19 from
    entering the facility," and the "meaningful actions" undertaken
    "aimed at controlling and mitigating against the spread of
    COVID-19 within the facility," the plaintiffs were unlikely to
    show that prison officials had been "obdurate, wonton, or
    reckless with respect to [the risk of COVID-19], or . . .
    otherwise failed to take reasonable steps aimed at preventing or
    mitigating the risk that COVID-19 presents to those detained."
    
    Id.
       In Kevin M.A. vs. Decker, U.S. Dist. Ct., No. 20-4593 (KM)
    (D.N.J. May 1, 2020), the United States District Court for the
    District of New Jersey concluded that, due to the "numerous
    affirmative steps to try and stop the spread of COVID-19" taken
    by jail officials, and the "protocols for individuals who
    exhibit symptoms," the inmate-petitioner had failed to
    demonstrate deliberate indifference, notwithstanding that he
    41
    became ill with COVID-19 while in custody.
    To combat the spread of COVID-19 as far as possible, the
    DOC has undertaken a number of measures, set forth in the
    appointed judge's findings of fact, many of which are stipulated
    to by the parties.   These measures included lockdowns of the
    facilities; prohibiting all outside visitors; restrictions and
    self-examination on entry to any facility; isolation of
    symptomatic inmates and those who have tested positive;
    requiring staff to stay home for fourteen days if they have any
    symptoms; mandating that staff wear masks when in contact with
    inmates; distribution of additional cleaning supplies to all
    inmates; increased cleaning of frequently touched surfaces;
    making alcohol-based hand sanitizer available to inmates in
    numerous facilities; having inmates eat in their cells or
    housing units rather than at tables in larger groups; and
    instructions, posters, and information on COVID-19 and its
    spread, in both Spanish and English.   To reduce inmates
    congregating in close contact with each other, the DOC has
    eliminated most group programming, work release, and academic
    and job skills classes, as well as outdoor recreation time and
    access to gyms and libraries, i.e., any activities where groups
    of inmates would be together.
    Over the course of this litigation, the DOC has obtained
    and distributed PPE to staff and, recently, all inmates.     It has
    42
    required that staff in contact with inmates, and all inmates who
    leave their cells or dormitories, wear masks at all times.      The
    DOC also recently has instituted some limited amount of outdoor
    time for all inmates, in small groups approximately every four
    days, so that physical distancing can be maintained.
    In evaluating whether deliberate indifference has been
    established, courts often have examined guidelines and standards
    from professional associations and State codes.    "Published
    standards of medical care or adopted guidelines such as the
    tuberculosis manuals . . . do not establish absolute standards
    for measuring the constitutionality of official actions.   But
    neither may they be ignored by [S]tate officials, however.      Such
    standards and guidelines are useful measures for 'determining
    whether contemporary standards of decency have been met.'"
    DeGidio v. Pung, 704 F. Supp 922, 956 (D. Minn. 1989), aff'd,
    
    920 F.2d 525
     (8th Cir. 1980), quoting Ramos v. Lamm, 
    639 F.2d 559
    , 567 n.10 (10th Cir. 1980), cert. denied, 
    450 U.S. 1041
    (1981).   See, e.g., Lareau, 
    651 F.2d at 106
     ("To inform itself
    of contemporary standards, the district court considered
    correctional guidelines and standards from a number of
    organizations").    See also Williams v. Edwards, 
    547 F.2d 1206
    ,
    1214 (5th Cir. 1977) ("In the past we have affirmed findings of
    constitutional violations based in part on [S]tate code
    violations. . . .    Such a standard is a valuable reference for
    43
    what is minimal for human habitation in the public view, thus
    serving as an indicator of evolving notions of decency"
    [quotation and citation omitted]).
    At oral argument, the plaintiffs were unable to point to
    any area in which they assert that the DOC is not in compliance
    with the CDC's interim guidance on prisons and jails with
    respect to COVID-19.   When questioned, the plaintiffs conceded
    that the DOC in fact is in compliance with all CDC interim
    guidance for correctional facilities.    While compliance with
    professional guidance is not enough, on its own, to establish
    constitutionality (or a lack thereof), see Bell v. Wolfish, 
    441 U.S. 520
    , 543 n.27 (1979), such compliance does provide useful
    indications to be considered in conjunction with other factors,
    see Ramos, 639 F.2d at 567 n.10 ("a variance from [S]tate
    standards or from standards promulgated by certain professional
    organizations does not establish a per se constitutional
    violation[;] it is a factor to be considered in determining
    whether contemporary standards of decency have been met").       The
    DOC's current compliance with CDC's interim guidance weighs
    against a determination that the plaintiffs are likely to
    succeed on the merits of their claims.
    Another notable factor is the DOC's current widespread
    testing program.   As stated, testing, contact tracing, and
    quarantine are considered the sine qua non of any effort to
    44
    control the COVID-19 pandemic.    See generally Interim Guidance,
    supra.   On March 19, 2020, the DOC first tested a symptomatic
    inmate for COVID-19.   Thereafter during that early period, only
    inmates who presented as symptomatic, or, in a few cases, those
    who had been in close contact with an inmate who had tested
    positive, were being tested for COVID-19.    When the plaintiffs
    first commenced this action, the special master in CPCS v. Trial
    Court, 484 Mass. at 456-457 (Appendix B), was presenting daily
    reports showing little to no testing for COVID-19 at many
    facilities, and, in particular, no testing of inmates at
    facilities where a correction officer or other staff member had
    tested positive for COVID-19.    Based on the special master's
    reports, the plaintiffs and the amicus American Civil Liberties
    Union urged this court to conclude that there had been an Eighth
    Amendment violation due to an apparent lack of basic contact
    tracing, testing, and isolation, as recommended by the CDC, and
    asked us to order testing of all inmates in DOC facilities.      At
    the same time, when the complaint in this case first was filed,
    and even after the matter was assigned to the Superior Court
    judge for fact finding, the DOC was asserting difficulty in
    obtaining tests and a shortage of tests in all facilities.
    Since that initial period of a few tests for symptomatic
    inmates, if a test was recommended by an individual clinician
    and as tests were available, the DOC has modified its testing
    45
    strategies substantially.   After oral argument in this case, and
    increasingly throughout the month of May, the DOC has begun
    widespread testing of nonsymptomatic inmates, as well as
    offering testing to all correction officers upon request.
    At oral argument, the attorney for the DOC stated that the
    DOC had access to 10,000 COVID-19 tests, and that the DOC was
    planning a large-scale testing program.   In response to requests
    by this court for additional information on the subject pursuant
    to Mass. R. A. P. 16 (l), the DOC clarified that, as of May 11,
    2020, it had 2,073 tests in its possession, was using a mobile
    testing van to conduct tests, had been assured that there was
    now no limit on the number of tests that it would be able to
    obtain, and had begun to implement a system-wide testing plan.
    Under this plan, all inmates and all staff at each facility,
    regardless of whether they are symptomatic, will be offered
    tests, and all facilities will have been tested by May 31, 2020,
    following a schedule of approximately two days of testing at
    each site.
    Current widespread DOC testing efforts, if continued as
    planned, will provide much of the testing relief that the
    plaintiffs, and the amicus American Civil Liberties Union, urge
    this court to order.   This further supports the conclusion that
    the plaintiffs are not likely to succeed on the merits of their
    claims for violations of the Eighth Amendment.
    46
    In sum, on this record, it appears unlikely that the
    plaintiffs will be able to establish deliberate indifference on
    the part of the DOC regarding their conditions of confinement as
    a result of the pandemic.    We turn to consider their claims for
    violations of substantive due process.
    5.   Substantive due process claims for individuals
    committed under G. L. 123, § 35.    The plaintiffs argue that
    commitment to a secured facility for substance abuse treatment
    during the COVID-19 pandemic violates committed individuals'
    substantive due process rights.
    a.   Professional judgment.    In Youngberg, 
    457 U.S. at
    315–
    316, individuals who had been civilly committed based on
    intellectual disabilities brought substantive due process
    challenges regarding their conditions of confinement.    The
    United States Supreme Court concluded that, "[i]f it is cruel
    and unusual punishment to hold convicted criminals in unsafe
    conditions, it must be unconstitutional to confine the
    involuntarily committed -- who may not be punished at all -- in
    unsafe conditions."    
    Id.
       Therefore, "when the State takes a
    person into its custody and holds him [or her] there against his
    [or her] will the Constitution imposes upon it a corresponding
    duty to assume some responsibility for his [or her] safety and
    general well-being."    DeShaney v. Winnebago County Dep't of
    Social Servs., 
    489 U.S. 189
    , 199-200 (1989), citing Youngberg,
    47
    
    supra at 317
    .   See Williams v. Hartman, 
    413 Mass. 398
    , 403
    (1992).
    Relying on these holdings, the plaintiffs maintain that
    commitment for substance abuse treatment during the COVID-19
    pandemic creates unsafe conditions of confinement.   Under
    Youngberg, 
    457 U.S. at 323
    , however, to establish a violation of
    substantive due process, it is not sufficient to allege only
    that conditions are unsafe.   Rather, the test is whether a
    "decision by [a] professional is such a substantial departure
    from accepted professional judgment, practice, or standards as
    to demonstrate that the person responsible actually did not base
    the decision on such a judgment."19   See Hopper v. Callahan, 
    408 Mass. 621
    , 626–627 (1990), quoting Youngberg, 
    supra.
    The plaintiffs contend that commitment to a secured
    facility during the COVID-19 pandemic is so contrary to
    19In determining whether there was a violation of
    substantive due process, some courts have applied the standard
    of deliberate indifference to decisions made by
    nonprofessionals. See, e.g., Lanman v. Hinson, 
    529 F.3d 673
    ,
    684 (6th Cir. 2008). This court, however, has rejected the
    application of the deliberate indifference standard to
    individuals who have been civilly committed because of their
    intellectual disabilities. See Hopper v. Callahan, 
    408 Mass. 621
    , 627 & n.4 (1990). Additionally, the United States Supreme
    Court's decision in Kingsley, 
    135 S. Ct. at 2473
    , casts doubt on
    the applicability of a subjective standard to claims challenging
    conditions of confinement for nonsentenced individuals. See
    Smith v. Washington, 
    781 Fed. Appx. 595
    , 597-598 (9th Cir.
    2019), quoting Castro v. County of Los Angeles, 
    833 F.3d 1060
    ,
    1071 (9th Cir. 2016), cert. denied, 
    137 S. Ct. 831
     (2017)
    (applying objective test to civil detainees).
    48
    substance abuse treatment principles that it necessarily
    constitutes a substantial departure from professional judgment.
    They rely on the COVID-19 guidance from the Substance Abuse and
    Mental Health Services Administration (SAMHSA), an entity within
    the United States Department of Health and Human Services, which
    states that residential treatment "has not been shown to be
    superior to intensive outpatient treatment."   Therefore,
    "[b]ecause of the substantial risk of coronavirus spread with
    congregation of individuals in a limited space such as in an
    inpatient or residential facility, SAMHSA is advising that
    outpatient treatment options, when clinically appropriate, be
    used to the greatest extent possible."   SAMHSA, Considerations
    for the Care and Treatment of Mental and Substance Use Disorders
    in the COVID-19 Epidemic (rev. May 7, 2020).
    Contrary to the plaintiffs' characterizations, this
    guidance does not state that inpatient treatment is never
    advisable during the pandemic.   Rather, SAMHSA states that
    "[i]npatient facilities and residential programs should be
    reserved for those for whom outpatient measures are not
    considered an adequate clinical option[, such as] those with
    mental disorders that are life threatening."   
    Id.
       Commitment
    under G. L. c. 123, § 35, intended to be a "carefully
    circumscribed . . . tool of last resort," by definition is
    limited to situations in which the individual poses a likelihood
    49
    of serious harm.   See Matter of a Minor, 
    484 Mass. 295
    , 311
    (2020).   If outpatient treatment, or any other plausibly
    available option, would "bring the risk of harm below the
    statutory thresholds that define a likelihood of serious harm,"
    a judge may not commit the subject of a petition to any
    facility, secure or unsecure.    See id. at 310, citing Matter of
    G.P., 473 Mass. at 128-129.
    Commitment to a secure facility requires an additional
    finding that an unsecure facility is unavailable or
    insufficient.   See G. L. c. 123, § 35.   Once committed, the
    superintendent of the facility may release an individual early
    if there is not a likelihood of serious harm.    See id.    These
    restrictions, if followed, should limit commitment to
    individuals "for whom outpatient measures are not considered an
    adequate clinical option," as recommended by SAMHSA.
    The plaintiffs have presented no evidence of individuals
    having been committed in contravention of these requirements.
    Nonetheless, the plaintiffs maintain that commitment for
    substance use disorder during the pandemic constitutes a
    violation of professional judgment in every case.     Without a
    more complete factual record, and without expert guidance, we
    are not able to reach such a broad conclusion.
    b.    Reasonable relation.   The plaintiffs argue also that
    civil commitment for substance abuse treatment during the COVID-
    50
    19 pandemic does not advance sufficiently the treatment goals of
    G. L. c. 123, § 35, and therefore violates their substantive due
    process rights.    Due process under the Federal Constitution
    "requires that the conditions and duration of confinement under
    the [statute] bear some reasonable relation to the purpose for
    which persons are committed."    Seling v. Young, 
    531 U.S. 250
    ,
    265 (2001), citing Foucha v. Louisiana, 
    504 U.S. 71
    , 79 (1992).
    As the DOC notes in its opposition, however, under the
    Massachusetts Declaration of Rights, civil commitment is subject
    to a higher level of judicial review, i.e., strict scrutiny.
    See Matter of a Minor, 484 Mass. at 309.    Under strict scrutiny
    review, a statute cannot stand unless it is "narrowly tailored
    to further a legitimate and compelling governmental interest and
    [is] the least restrictive means available to vindicate that
    interest."   Commonwealth v. Weston W., 
    455 Mass. 24
    , 35 (2009).
    Both the "reasonable relation" standard and review under
    strict scrutiny require the government to identify a purpose for
    which a statute was enacted, and to show how the government
    action is connected to that purpose.    Review under strict
    scrutiny, however, requires the government meet a much higher
    burden for both elements of the test.    Rather than simply
    identifying a permissible purpose, the government must show that
    the statute is designed to address a compelling government
    interest.    Otherwise put, here, rather than requiring only that
    51
    the civil confinement be reasonably related to the government's
    interest, the confinement must be narrowly tailored to that
    interest as well as the least restrictive means by which to
    accomplish the intended goal.
    Because the plaintiffs presented their arguments to us
    under the Federal standard, we address it first.     In Doe v.
    Gaughan, 
    808 F.2d 871
    , 874 (1st Cir. 1986), the plaintiffs
    argued that, because they were committed to a correctional
    institution, rather than a mental health facility, the nature of
    their confinement was not reasonably related to the purpose for
    which they were confined.    The United States Court of Appeals
    for the First Circuit disagreed; the court concluded that the
    secure facility bore a "reasonable relationship both to the
    [S]tate's public safety needs and to the patients' own
    therapeutic interests in a secure environment."    See 
    id. at 878
    .
    Conversely, in Jackson v. Indiana, 
    406 U.S. 715
    , 738-739 (1972),
    the United States Supreme Court held that the confinement of an
    incompetent defendant for more than three years bore no
    reasonable relation to his commitment because there was no
    substantial probability of his becoming competent.
    General Laws c. 123, § 35, states that the purpose of
    commitment is "inpatient care for the treatment of an alcohol or
    substance use disorder."    This treatment is intended to promote
    the health and safety of the individual committed and others, as
    52
    demonstrated by the statutory requirement that a committed
    individual pose a danger to him- or herself, or a member of the
    community.    See G. L. c. 123, § 35.   Therefore, if patients are
    not receiving meaningful and reasonably effective treatment for
    substance use disorders, which advances their health and safety,
    their commitment violates Federal due process requirements.
    The DOC and the Hampden County sheriff's office report that
    committed individuals are held for the first fourteen days in a
    separate unit and do not participate in group programming.      The
    plaintiffs argue that, during those fourteen days, committed
    individuals receive "next to no treatment," and thus that their
    confinement bears no reasonable relationship to the purpose of
    commitment.   The DOC reports, however, that after an initial
    three-day observation period has ended, and the individual has
    been "detox cleared," the individual receives daily "individual
    services" from a substance abuse disorder counsellor.     The
    Hampden County sheriff's office reports that individuals receive
    substance abuse treatment during their first fourteen days of
    commitment.   The record contains no information regarding the
    nature and extent of these services.
    We agree that, if the first fourteen days involve no real
    treatment, or only minimal treatment, the plaintiffs would have
    a strong claim.   The DOC's deputy commissioner of clinical
    services and reentry avers that many individuals are released
    53
    after thirty days of confinement.   As the plaintiffs note, the
    first fourteen days of confinement account for almost one-half
    of the total period of commitment for those individuals.
    Without more information regarding the limited treatment
    provided, however, and without expert testimony regarding the
    efficacy of that limited treatment, we cannot conclude that
    commitment during the pandemic bears no reasonable relation to
    the purposes of the statute.
    c.   Strict scrutiny.   As stated, the plaintiffs' complaint
    and its arguments before this court rest on substantive due
    process requirements under the Federal standard.    Because civil
    commitment involves a loss of liberty, a fundamental
    constitutional right, however, we also consider the plaintiffs'
    constitutional claims under the more stringent standard embodied
    in the Massachusetts Declaration of Rights.    "In substantive due
    process analysis, the nature of the individual interest at stake
    determines the standard of review that courts apply when
    deciding whether a challenged statute meets the requirements of
    the due process clause."    Aime v. Commonwealth, 
    414 Mass. 667
    ,
    673 (1993).   See R.B., petitioner, 
    479 Mass. 712
    , 717–718
    (2018); Commonwealth v. Travis, 
    372 Mass. 238
    , 246 (1977).
    Freedom from physical restraint is a paradigmatic
    fundamental right, essential to a free society.    See Pembroke
    Hosp. v. D.L., 
    482 Mass. 346
    , 347 (2019), citing Matter of E.C.,
    54
    
    479 Mass. 113
    , 119 (2018).   Civil commitment under G. L. c. 123,
    § 35, thus is subject to strict scrutiny under the due process
    protections in the Massachusetts Declaration of Rights.
    Accordingly, the statute "must be narrowly tailored to serve a
    compelling governmental interest" and "also be the least
    restrictive means available to vindicate that interest."
    Massachusetts Gen. Hosp. v. C.R., 
    484 Mass. 472
    , 489 (2020).
    Here, the question whether G. L. c. 123, § 35, could
    survive strict scrutiny review, absent a pandemic, is not before
    us.   As nothing in the plaintiffs' filings or the record touches
    on the question of strict scrutiny, we assume without deciding,
    as we did in Matter of a Minor, 484 Mass. at 309 n.9, that the
    statute at baseline does not violate substantive due process.
    Accordingly, we examine whether the current public health crisis
    alters the strict scrutiny analysis such that commitment to a
    secure facility during the COVID-19 pandemic must be
    unconstitutional.
    As stated, the purpose of commitment for substance abuse
    treatment is to promote the health and safety of the committed
    individual and others through such treatment.   We have no
    evidence that the dangers of substance use disorders, or the
    need for treatment, have diminished during the COVID-19
    pandemic.   Thus, issues regarding COVID-19 have no impact on the
    question whether there is a compelling and legitimate government
    55
    interest.
    The pandemic, however, may affect whether commitment is
    narrowly tailored to that interest.    If the commitment and
    treatment do not promote effectively the government's interest
    in the individual's and others' health and safety, the
    government action cannot survive strict scrutiny.    See Grutter
    v. Bollinger, 
    539 U.S. 306
    , 333 (2003) ("means chosen . . . must
    be specifically and narrowly framed to accomplish [their]
    purpose" [citation omitted]).    In this regard, the increased
    risk of COVID-19 transmission in congregate settings is highly
    pertinent.
    As we recognized in CPCS v. Trial Court, 484 Mass. at 436,
    "confined, enclosed environments increase transmissibility" of
    COVID-19.    "[M]aintaining six feet of distance between oneself
    and others . . . may be nearly impossible" in these settings.
    Id.   As with the jails and prisons at issue in that case,
    "proper sanitation is also a challenge" for the commitment
    facilities, as shown by DPH inspections in January and February
    of 2020, identifying dozens of repeat violations at MASAC and
    the Stonybrook facilities.20    Id. at 436-437.
    The record here contains only the plaintiffs' summaries
    20
    of what the DPH reports state, and not the actual reports. We
    have taken judicial notice of some of the publicly accessible
    reports, which are available for download on the DPH's website,
    and which are consistent with the plaintiffs' representations.
    56
    At the same time, these facilities have taken significant
    steps to lessen the risk of transmission of COVID-19.     Staff
    members are required to wear masks when in contact with
    patients, as well as gloves for some activities, and all
    committed individuals have been given masks.   Newly committed
    individuals are placed in a separate unit for the first fourteen
    days and are not permitted to attend group sessions.    All
    persons entering the facilities are screened for symptoms of
    COVID-19.   Soap and hand sanitizer are widely available, and
    multiple other hygiene-related protocols have been instituted.
    Although the expert affidavits discuss the general risk of
    transmission in correctional facilities, they do not
    specifically address conditions at MASAC or in the Stonybrook
    facilities.    Nor do they address whether the pandemic changes
    the need for or the efficacy of commitment to a secure facility
    for substance use disorder treatment.   Moreover, on this record,
    the plaintiffs have not presented evidence indicating that a
    less restrictive alternative would have been sufficient to avoid
    a likelihood of serious harm for any currently committed
    individuals.   See Massachusetts Gen. Hosp., 484 Mass. at 483–484
    ("record . . . reveals no realistic alternative").   Given the
    limited record before us, we cannot say that there has been a
    57
    fundamental change in the need for or efficacy of commitment.21
    We conclude that the plaintiffs have not shown a likelihood of
    success on the merits.   See Garcia v. Department of Hous. &
    Community Dev., 
    480 Mass. 736
    , 747 (2018).
    Nonetheless, we see fit to address the situation under our
    supervisory authority.   Going forward, a judge shall not commit
    an individual under G. L. c. 123, § 35, unless the judge finds
    that the danger posed by the individual's substance use disorder
    outweighs the risk of transmission of COVID-19 in congregate
    settings.   "Given the high risk posed by COVID-19 for people who
    are more than sixty years of age or who suffer from a high-risk
    condition as defined by the CDC, the age and health of [the
    individual] should be factored into [the] determination."      CPCS
    v. Trial Court, 484 Mass. at 449.   Additionally, the judge must
    find that commitment is necessary notwithstanding the treatment
    limitations imposed by quarantine protocols.   A judge's findings
    may be made in writing or orally on the record.   These
    requirements will remain in effect for the duration of the
    21These considerations apply as much to nonsecure,
    inpatient treatment facilities as they do to the secure
    facilities at issue here. The record is devoid of any
    information regarding the conditions present in nonsecure
    treatment facilities in the Commonwealth. Therefore, we have no
    basis for determining whether COVID-19 transmission is more
    likely in secure locations, and accordingly are unable to make a
    determination on the plaintiffs' alternative request for
    transfers to nonsecure facilities.
    58
    COVID-19 state of emergency, unless altered by further order of
    this court.   These are additional, temporary requirements beyond
    those imposed by G. L. c. 123, § 35, due process principles, and
    any other applicable law.    See Matter of a Minor, 484 Mass. at
    307-310; Matter of G.P., 473 Mass. at 120-122, 124-129.
    Furthermore, as with the bail determinations that were the
    subject of much of our decision in CPCS v. Trial Court, 484
    Mass. at 434-436, current orders of commitment may have been
    made without consideration of the crisis currently ravaging the
    planet.   We therefore conclude that the risks of COVID-19
    transmission constitute a "material change in circumstances"
    with regard to any order of commitment currently in effect.       See
    Littles v. Commissioner of Correction, 
    444 Mass. 871
    , 878
    (2005); Commonwealth v. Cronk, 
    396 Mass. 194
    , 196 (1985).     See
    also CPCS v. Trial Court, supra at 435 ("risks inherent in the
    COVID-19 pandemic constitute a changed circumstance" under bail
    statutes).    Any individual who is committed pursuant to G. L.
    c. 123, § 35, at the time of the issuance of the slip opinion in
    this case may file a motion for reconsideration of the
    commitment order.    Hearings shall take place by videoconference
    or teleconference no later than two business days after the
    filing of the motion.    A decision on the motion shall be
    rendered promptly.
    6.    Ongoing response to the continuing pandemic.
    59
    Conditions as a result of the pandemic, and society's response
    to them, are changing rapidly.   The CDC's interim guidance
    itself states that it is subject to change and that individual
    guidelines "may need to be adapted based on individual
    facilities' physical space, staffing, population, operations,
    and other resources and conditions."   Interim Guidance, supra
    at 1.   While the court acknowledges the DOC's significant
    efforts to reduce the risks for incarcerated individuals due to
    the pandemic, to date the crisis generated by the pandemic
    continues worldwide.   All of the defendants must remain vigilant
    in continuing to respond swiftly to ongoing and changed
    conditions brought about as a result of the pandemic, while
    retaining the testing, contact tracing, and quarantining
    policies they now have put in place, that the CDC recognizes as
    the heart of any plan to combat the pandemic.
    Moreover, as the commissioner's counsel acknowledged at
    oral argument, while the pandemic continues, the lockdown
    conditions instituted by the DOC to prevent a serious risk of
    harm themselves risk becoming Eighth Amendment violations.    The
    CDC's interim guidance notes that measures taken by correction
    facilities to reduce transmission of COVID-19, such as canceling
    activities and visitation, may be deleterious to the mental
    health of inmates.   These effects necessarily will be even more
    pronounced for inmates in solitary cells, who are segregated
    60
    from all other humans for twenty-three or more hours per day.
    Solitary confinement, even when imposed for good reason, "bears
    'a . . . terror and peculiar mark of infamy.'"    See Davis v.
    Ayala, 
    135 S. Ct. 2187
    , 2209 (2015) (Kennedy, J., concurring),
    quoting In re Medley, 
    134 U.S. 160
    , 170 (1890).     "[C]ommon side-
    effects of solitary confinement include anxiety, panic,
    withdrawal, hallucinations, self-mutilation, and suicidal
    thoughts and behaviors."    Davis, 
    supra at 2210
    , citing Grassian,
    Psychiatric Effects of Solitary Confinement, 22 Wash. U.J.L. &
    Pol'y 325 (2006).   "Suicides, attempts at suicide, and self-
    mutilations are common among inmates thus confined."      Ruiz v.
    Estelle, 
    503 F. Supp. 1265
    , 1360 (S.D. Tex. 1980), aff'd in
    part, rev'd in part, 
    679 F.2d 1115
    , amended in part, vacated in
    part, 
    688 F.2d 266
     (5th Cir. 1982), cert. denied, 
    460 U.S. 1042
    (1983).   Thus, "even the permissible forms of solitary
    confinement might violate the Eighth Amendment if
    [i]mposed . . . for too long a period" (quotations and citation
    omitted).   Jackson v. Meachum, 
    699 F.2d 578
    , 582 (1st Cir.
    1983).    See Hardwick v. Ault, 
    447 F. Supp. 116
    , 126 (M.D. Ga.
    1978) ("indefinite duration of confinement shock[ed] the
    conscience," especially in cell block "where prisoners [would]
    go for several days without leaving their cell except briefly").
    Similarly, deprivation of exercise may be "'reasonable' in
    certain situations, such as during a 'state of emergency.'"
    61
    Thomas v. Ponder, 
    611 F.3d 1144
    , 1155 (9th Cir. 2010).   Long-
    term "deprivation of exercise" on the other hand, "may
    constitute an impairment of health forbidden under the [E]ighth
    [A]mendment."   Miller v. Carson, 
    563 F.2d 741
    , 751 n.12 (5th
    Cir. 1977), citing Estelle, 
    429 U.S. at 97
    .   See Spain v.
    Procunier, 
    600 F.2d 189
    , 199 (9th Cir. 1979) ("denial of fresh
    air and regular outdoor exercise and recreation [over period of
    years] constitutes cruel and unusual punishment"); Ruiz, 
    503 F. Supp. at 1367
     ("Even if accomplished according to appropriate
    procedures and for valid reasons, long term confinement of
    inmates in administrative segregation, without opportunities for
    recreation, constitutes cruel and unusual punishment"); Sinclair
    v. Henderson, 
    331 F. Supp. 1123
    , 1131 (E.D. La. 1971)
    ("Confinement for long periods of time without the opportunity
    for regular outdoor exercise does, as a matter of law,
    constitute cruel and unusual punishment . . .").
    At this juncture, it appears that the COVID-19 pandemic
    will continue to demand extraordinary, and coordinated, efforts
    by all parties, as well as the courts.   This is so also with
    respect to the different entities within the executive branch.
    Even the commissioner acknowledged at oral argument that
    reducing the number of incarcerated individuals being held in
    any given facility, if it can be done lawfully, is a desirable
    goal for controlling the spread of communicable diseases such as
    62
    COVID-19.   In their brief, the plaintiffs point to numerous
    measures that they assert have been undertaken in other States
    to reduce prison populations, among them release to home
    confinement, enhanced good time sentence deductions, and early
    parole.
    With respect to one such measure, release to home
    confinement for those who have been serving a sentence, for
    example, the commissioner asserted before the hearing judge that
    she believes the DOC has no authority to authorize such releases
    for inmates who are serving sentences.   We agree with Chief
    Justice Gants that G. L. c. 127, §§ 48, 49, 49A, and this
    court's holding in Donohue, 452 Mass. at 265, indeed would allow
    the commissioner to release certain individuals who currently
    are serving a sentence in a prison or house of correction to
    home confinement, under specified conditions, prior to the
    completion of their committed sentences, for certain
    educational, employment, and training programs.   See post
    at    .
    The specific measures the defendants might choose to reduce
    the number of incarcerated individuals in DOC custody are not as
    important as the goal of reduction, and not ordinarily for a
    court to decide.   Nonetheless, the DOC's argument that, due to
    concerns regarding separation of powers under art. 30 of the
    Massachusetts Declaration of Rights, this court would never have
    63
    authority to order a reduction in the prison population is
    unavailing; should the court conclude, at a later point, that
    the defendants have held inmates under unconstitutional
    conditions of confinement, it would have authority to issue
    orders necessary to remedy that situation.
    As two justices of the United States Supreme Court
    commented recently with respect to the determination by a United
    States Court of Appeals to stay a Federal District Court judge's
    order granting a preliminary injunction sought by a group of
    particularly vulnerable incarcerated inmates due to their
    conditions of confinement, "[i]t has long been said that a
    society's worth can be judged by taking stock of its prisons.
    That is all the truer in this pandemic, where inmates everywhere
    have been rendered vulnerable and often powerless to protect
    themselves from harm.   May we hope that our country's facilities
    serve as models rather than cautionary tales."   Valentine vs.
    Collier, U.S. Supreme Court, No. 19A1034 (May 14, 2020).
    Conclusion.   The motion for a preliminary injunction is
    denied.   The matter is transferred to the Superior Court, where
    litigation on the complaint shall proceed as an emergency
    matter, with due speed in consideration of the circumstances,
    before the same Superior Court judge who was designated to make
    findings of fact with respect to the motion for a preliminary
    injunction.   In addition to rulings on the merits, the judge
    64
    shall resolve all questions of class certification, including
    any amendment of the complaint or substitution of parties.
    So ordered.
    GANTS, C.J. (concurring, with whom Lenk and Budd, JJ.,
    join).   The essence of this case is summarized in a single
    sentence in the judge's findings of fact:   "Commissioner Mici
    [(commissioner)] believes that [the Department of Correction
    (DOC)] is doing the best it can to manage the COVID-19 crisis
    given the physical layout of the facilities and the inmate
    population."   The record supports her belief that the DOC is
    doing "the best it can" to attempt to prevent the COVID-19 virus
    from entering prisons and to limit its spread within the
    facilities that it has entered.   And it is likely true that, for
    all practical purposes, the "physical layout" of prison
    facilities is a "given," in that it cannot be materially altered
    quickly enough to make a significant difference.
    But even acknowledging that public safety would not permit
    a drastic reduction of the prison population, the inmate
    population is not a "given."   The commissioner herself
    recognizes, as do the World Health Organization1 and the United
    1 "Enhanced consideration should be given to resorting to
    non-custodial measures at all stages of the administration of
    criminal justice, including at the . . . post-sentencing
    stage[]. Priority should be given to non-custodial measures for
    alleged offenders and prisoners with low-risk profiles and
    caring responsibilities . . . ." World Health Organization
    Regional Office for Europe, Preparedness, Prevention and Control
    of COVID-19 in Prisons and Other Places of Detention, at 4 (Mar.
    15, 2020), http://www.euro.who.int/__data/assets/pdf_file/0019
    /434026/Preparedness-prevention-and-control-of-COVID-19-in-
    prisons.pdf [https://perma.cc/4ZGQ-RN5U].
    2
    States Department of Justice,2 that measures should be taken to
    reduce the inmate population and that doing so can help to
    contain the spread of COVID-19.    To be sure, the commissioner
    makes clear that any such reduction should be done in a manner
    that is consistent with law and appropriate in light of the
    health and safety of the public.   I agree, and I write
    separately from the court's opinion (with which I wholeheartedly
    agree) to make three points.   First, there is considerably more
    that the DOC and the parole board can do to reduce the inmate
    population, consistent with law and appropriate in terms of
    public health and safety.   Second, as the pandemic drags on, it
    is even more important to press forward with such reductions
    because the current lockdown that is being used by the DOC to
    contain the virus cannot reasonably continue indefinitely.     And
    third, although what the DOC and parole board are doing now may
    not likely demonstrate a reckless disregard for the health and
    safety of prisoners arising from the risk of transmission of the
    2 On March 26, 2020, and again on April 3, 2020, the United
    States Attorney General instructed the Federal Bureau of Prisons
    to prioritize the use of home confinement as a tool for
    combatting the risk that COVID-19 poses to vulnerable inmates
    while protecting public safety. See Office of the Attorney
    General, Prioritization of Home Confinement as Appropriate in
    Response to COVID-19 Pandemic (Mar. 26, 2020), https://www
    .justice.gov/file/1262731/download [https://perma.cc/3RKS-8FYN];
    Office of the Attorney General, Increasing Use of Home
    Confinement at Institutions Most Affected by COVID-19 (Apr. 3,
    2020), https://www.justice.gov/file/1266661/download [https:
    //perma.cc/RK4L-4B93].
    3
    COVID-19 virus, continuing unchanged along that same path in the
    months ahead might constitute reckless disregard, especially if
    we are hit with a new wave of COVID-19 cases.
    1.   More can be done to reduce the prison population.    In
    2019, approximately 600 inmates were released each month from
    DOC custody.   Those releases were offset by 557 admissions per
    month, yielding a net monthly reduction of 43 inmates.    However,
    as a result of the pandemic, the number of criminal admissions
    has dramatically fallen, from 190 in January and 161 in February
    2020, to 87 in March and 15 in April.   Given the sharp reduction
    in criminal admissions, one would expect that the over-all
    prison population would naturally fall, and it has by
    approximately eight percent between January 1 and May 21.3     But
    the vast majority of this decrease arises from the drop in
    admissions; actual releases grew only modestly in April 2020 to
    526 (compared to an average of 424 in January through March
    2020), with virtually all of the increase in releases arising
    from an increase in parole permits in April to 141 (compared to
    a monthly average of 52 in January through March 2020).   In
    contrast, the county jail population, in large part fueled by
    3 There were 7,923 inmates in DOC custody on January 1,
    2020, see MA DOC Jan 1 Inmate Snapshot, https://public.tableau
    .com/profile/madoc#!/vizhome/MADOCJan1Snapshot/Jan1Snapshot,
    dropping to 7,278 by May 21, see May 21, 2020 Special Master's
    Report.
    4
    our decision in Committee for Pub. Counsel Servs. v. Chief
    Justice of the Trial Court, 
    484 Mass. 431
     (2020), fell more than
    thirty per cent between April 5 and May 21, 2020.     See May 21,
    2020 Special Master's Report.     To be sure, it is far easier to
    release detainees who have yet to be tried than sentenced
    prisoners.     But the fact remains that more inmates can be
    released in accordance with law, without compromising public
    health and safety.
    a.   Home confinement.     The commissioner claims that she
    does not have the legal authority to allow any sentenced
    prisoner to serve any part of a prison sentence in home
    confinement.     The commissioner is mistaken.
    Under G. L. c. 127, § 48, "[t]he commissioner shall
    establish and maintain education, training and employment
    programs for persons committed to the custody of the [DOC].
    . . . Such programs shall include opportunities for academic
    education, vocational education, vocational training, other
    related prevocational programs and employment, and may be made
    available within correctional facilities or, subject to the
    restrictions set forth in [G. L. c. 127, §§ 49 and 86F], at
    other places approved by the commissioner or administrator"
    (emphasis added).     Id.   General Laws c. 127, § 49, provides:
    "The commissioner of correction, or the administrator of a
    county correctional facility, subject to rules and
    regulations established in accordance with the provisions
    5
    of this section, may permit an inmate who has served such a
    portion of his sentence or sentences that he would be
    eligible for parole within eighteen months to participate
    in education, training, or employment programs established
    under [§ 48] outside a correctional facility . . . . In
    the case of a committed offender who participates in any
    program outside a correctional facility established under
    [§ 48], the time spent in such participation shall be
    credited toward the serving of his sentence in the same
    manner as though he had served such time within the
    facility. . . . The commissioner or such administrator
    shall make and promulgate rules and regulations regarding
    programs established under [§ 48] outside correctional
    facilities. Such rules and regulations shall include
    provisions for reasonable periods of confinement to
    particular correctional facilities before a committed
    offender may be permitted to participate in such programs
    and provisions for feeding, housing and supervising
    participants in such programs in such manner as will be
    calculated to maintain morale and prevent the introduction
    of contraband to the facility."4,5
    In Commonwealth v. Donahue, 
    452 Mass. 256
     (2008), we
    considered whether a sheriff had the authority under § 48 and
    § 49 to release a prisoner from a house of correction and place
    him in home confinement under a global positioning system (GPS)
    monitoring program where the prisoner had an approved home and
    work plan and was monitored by a GPS bracelet.   We concluded
    that "G. L. c. 127, §§ 48, 49, and 49A, provide specific
    legislative authorization for the GPS program and for the
    4 Participation in such programs is limited for prisoners
    serving a life sentence, for sex offenders, and for prisoners
    who were sentenced for specified violent crimes. See G. L.
    c. 127, § 49.
    5 General Laws c. 127, § 86F, applies only to sheriffs, not
    to the commissioner.
    6
    placement of Donohue, or similarly situated inmates, in it."
    Id. at 265.   We specifically rejected the argument that these
    statutes did not permit home confinement, declaring that "[t]o
    the contrary, the statutory scheme suggests a legislative intent
    to allow this kind of arrangement."     Id. at 266.   The
    commissioner has the same authority under these statutes to
    place prisoners in home confinement, monitored by a GPS
    bracelet, as part of an inmate's participation in an education,
    training, or employment program.
    General Laws c. 127, § 49A, requires the commissioner to
    establish in each correctional facility a committee to evaluate
    the behavior and conduct of inmates within the prison and
    recommend whether an inmate "shall be permitted to participate
    in any program outside a correctional facility, exclusive of
    parole."    There is nothing in the record regarding the
    activities of these committees and no explanation as to why,
    especially at a time when the commissioner recognizes the need
    to reduce the prison population, eligible prisoners who have
    demonstrated good behavior and conduct have not been approved
    for home confinement to participate in education, employment, or
    training programs.
    b.     Parole release.   As I have noted, the parole board has
    stepped up its pace of activity and has released nearly three
    times more prisoners in April than it did on average in the
    7
    first three months of this year.    But there are at least two
    ways in which the parole board can release more prisoners,
    consistent with its statutory obligation to release a prisoner
    on parole "only if the board is of the opinion, after
    consideration of a risk and needs assessment, that there is a
    reasonable probability that, if the prisoner is released with
    appropriate conditions and community supervision, the prisoner
    will live and remain at liberty without violating the law and
    that release is not incompatible with the welfare of society."
    G. L. c. 127, § 130.
    First, § 130 requires the parole board to make two
    determinations:   whether "there is a reasonable probability that
    . . . the prisoner will live and remain at liberty without
    violating the law" and whether "release is not incompatible with
    the welfare of society."   Id.   With respect to the second
    determination, it is appropriate for the parole board to
    consider whether the prisoner has tested positive for COVID-19
    and, if so, whether he or she could be safely quarantined and
    medically monitored or treated upon release.   But it is also
    appropriate for the parole board to consider the increased risk
    to the inmate, to fellow inmates, and to the general public of
    continuing custody in a prison where he or she is particularly
    vulnerable to an outbreak of COVID-19 given the close quarters
    and difficulties of social distancing in a prison.    This
    8
    consideration is most acute in prisoners who are at special risk
    of death or serious illness from COVID-19 because of their
    advanced age or compromised immune system.   In Christie v.
    Commonwealth, 
    484 Mass. 397
    , 401-402 (2020), we declared in the
    context of a judge's determination whether to stay a defendant's
    execution of sentence pending appeal:
    "We also note that the health risks to persons in custody
    arising from this pandemic require that we adjust the
    analysis applied to motions to stay the execution of
    sentence pending appeal. In ordinary times, in considering
    the second factor, a judge should focus on the danger to
    other persons and the community arising from the
    defendant's risk of reoffense. See [Commonwealth v. Cohen
    (No. 2), 
    456 Mass. 128
    , 132 (2010); Commonwealth v. Hodge
    (No. 1), 
    380 Mass. 851
    , 855 (1980)]. In these
    extraordinary times, a judge deciding whether to grant a
    stay should consider not only the risk to others if the
    defendant were to be released and reoffend, but also the
    health risk to the defendant if the defendant were to
    remain in custody. In evaluating this risk, a judge should
    consider both the general risk associated with preventing
    COVID-19 transmission and minimizing its spread in
    correctional institutions to inmates and prison staff and
    the specific risk to the defendant, in view of his or her
    age and existing medical conditions, that would heighten
    the chance of death or serious illness if the defendant
    were to contract the virus." (Emphases in original.)
    A comparable adaptation to the pandemic should be made to the
    parole board's evaluation of whether "release is not
    incompatible with the welfare of society" under § 130.
    Second, some inmates who are granted parole because they
    meet the criteria in § 130 do not promptly obtain the parole
    permits needed for release and must first obtain a transfer to a
    long-term residential facility or a step-down to a lower-
    9
    security facility before they can receive their permits.     In
    this pandemic era, such a condition of release would prove a
    "Catch-22" situation for many inmates otherwise eligible for
    parole release:   because all transfers among facilities have
    ceased, such inmates could not meet the condition established
    for their release.   The parole board should reevaluate all such
    conditions where they prevent the release of those whom the
    board has already determined will be unlikely to reoffend upon
    their release.
    c.   Earned good time.     The majority of prisoners who are
    released from custody are released because they have completed
    their sentence.   The DOC declares that it "has no control" over
    the completion of sentences.    But to the extent that the
    commissioner has the authority to grant good time credit of up
    to fifteen days per month under G. L. c. 127, § 129D, plus an
    additional ten days of credit for the successful completion of a
    program, the commissioner has the ability to reduce a prisoner's
    sentence by approximately one-half (180 days per year if the
    prisoner receives fifteen days per month, and another ten days
    for each completed program).    The pandemic put a temporary end
    to the programs that enabled inmates to earn good time, and the
    commissioner deserves credit for allowing inmates to earn seven
    and one-half days per month by maintaining a diary.    But with
    more than two months having passed since the Governor's
    10
    announcement that a state of emergency existed, it is time for
    the commissioner to devise new programs that can be accomplished
    by inmates in the midst of a pandemic that would enable them to
    earn the full complement of possible good time, including
    completion credit, and reduce the over-all length of their
    sentences.
    2.   Planning beyond the lockdown.   To prevent the COVID-19
    virus from entering DOC facilities and to mitigate its spread in
    those facilities that already had cases, the commissioner
    initiated a system-wide lockdown on April 3, 2020.    In practice,
    this means that inmates who are housed in cells remain there for
    twenty-three hours a day, and those who live in dormitory-style
    housing cannot leave their units.   Inmates eat meals in their
    cells or units; use of gyms, weight rooms, and outdoor spaces is
    strictly limited; and work opportunities and classes have been
    suspended.
    These stringent policies might have been necessary to quell
    the outbreak by reducing contact between inmates and by making
    it easier to conduct contact tracing when positive cases were
    identified.   But while this may have averted a worst-case
    scenario in the early days of the pandemic, the court's opinion
    notes that the DOC may soon face another challenge:   the mental
    health impact of an extended lockdown, with its own implications
    11
    under the Eighth Amendment to the United States Constitution and
    art. 26 of the Massachusetts Declaration of Rights.
    According to the DOC, this is the first time in recent
    memory that the entire Massachusetts prison system has been
    locked down because of health risks.   The longest recorded
    lockdown at any DOC facility lasted for four months in 1995
    following an assault on a correction officer at the
    Massachusetts Correctional Institution at Cedar Junction.     This
    system-wide lockdown has already been in place for two months,
    but I believe that the DOC recognizes that it cannot reasonably
    continue for the many months that will pass until a COVID-19
    vaccine becomes widely available.   The isolation arising from a
    lockdown over time will have increasingly severe mental health
    ramifications, particularly in a population that already has a
    higher-than-average prevalence of mental health issues.    And if
    the lockdown were to continue, there may come a time when the
    lockdown itself raises serious questions about the DOC's
    deliberate indifference to inmate mental health.
    I do not profess to know what should be the next step
    beyond lockdown; I know only that there will be a need for a
    next step, that it must be carefully considered by correctional,
    public health, and mental health professionals, and that, as we
    are learning from our experience outside the prison walls,
    reopening to permit increased human interaction poses even more
    12
    challenges than the formidable challenges arising from
    sheltering in place.   Soon, the DOC will have to develop
    protocols that are, to the extent possible, protective of both
    inmate physical health and mental health.    And doing so will be
    easier and more likely to succeed with a smaller prison
    population, which will provide greater potential for social
    distancing and give prison superintendents more flexibility in
    their use of available prison space, cells, and facilities.
    3.   Planning ahead for a second wave.    I recognize that,
    when it became apparent that COVID-19 had spread through
    Massachusetts communities, the DOC had to improvise quickly and
    make adjustments to avoid rampant spread of the virus in its
    correctional facilities.   But what is appropriate in reacting to
    an immediate and unpredictable threat might not be appropriate
    as the threat drags on over many months.    Reducing the size of
    the prison population, especially the size of the elderly and
    infirm prison population, in a manner that is consistent with
    law and public safety takes time, both to identify appropriate
    candidates for release and to ensure that they have appropriate
    release plans.   But there will be time before the fall to
    accomplish sensible reductions in the size of the prison
    population, including the release or transfer to home
    confinement of many elderly and medically vulnerable prisoners,
    to give prison superintendents the better options to protect the
    13
    physical and mental health of inmates that come with fewer
    prisoners.   With experts warning of a potential resurgence of
    COVID-19 in the winter, see CDC Director Warns Second Wave of
    Coronavirus Is Likely to Be Even More Devastating, Wash. Post,
    Apr. 21, 2020, https://www.washingtonpost.com/health/2020/04
    /21/coronavirus-secondwave-cdcdirector [https://perma.cc/3SVZ
    -BQCX], the DOC has the opportunity and, indeed, the obligation
    to begin preparing for that possibility.   Policies that pass
    constitutional muster in the face of an unprecedented emergency
    may not be constitutionally sufficient after the department has
    had time to consider and plan its response to a now-foreseeable
    threat.