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COVID 5X more likely if in prison (low Vitamin D, etc) - Oct 2021

JAMA RESEARCH LETTER October 6, 2021. doi:10.1001/jama.2021.17575

Neal Marquez, MPH Julie A. Ward, MN, RN Kalind Parish, MA Brendan Saloner, PhD Sharon Dolovich, JD, PhD



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COVID-19 Incidence and Mortality in Federal and State Prisons Compared With the US Population, April 5,2020, to April 3,2021
Early in the COVID-19 pandemic, case and death rates in US prisons substantially exceeded national rates.1 Prison systems subsequently reported adopting several policies to contain COVID-19 spread, including limiting social interactions, distributing personal protective equipment, and expediting prisoner releases,2,3 although failures of infection prevention and control have been documented.2,4 We examined COVID-19 cases and deaths among US federal and state prisoners during the first 52 weeks of the pandemic and compared these rates with the overall US population, updating a previously published report analyzing COVID-19 incidence and mortality in prisons through June 6, 2020.1

Methods | Counts of COVID-19 cases and deaths among prisoners in all 50 state prison systems and the Federal Bureau of Prisons were collected by the UCLA Law COVID Behind Bars Data Project for 52 weeks from April 5, 2020, to April 3, 2021. Counts were extracted from departments of corrections websites and, as needed, supplemented with data collected by the Marshall Project and the Associated Press.5 To calculate rates of COVID-19 in prisons, we used total jurisdictional prison population data reported by the Vera Institute3 for January 1, 2020, July 1, 2020, December 30, 2020, and March 31, 2021. We estimated weekly prison populations by linearly interpolating between the observed dates. For comparison, we also calculated US population COVID-19 rates using cases and deaths reported by the Centers for Disease Control and Prevention,6 allowing for a 2-month reporting delay. US population data were taken from the US Census Bureau’s American Community Survey 2019.

We calculated both weekly and cumulative rates of incidence and standardized mortality for the prison population and US population. Weekly prison rates were calculated using the jurisdictional incarcerated population for the corresponding week, while cumulative rates were calculated using the 52- week mean population size. Standardized mortality rates were calculated, adjusting for age and sex with indirect standardization, as described in a previous report.1 All analysis was performed using R version

Results | By April 3, 2021, 394 066 COVID-19 cases and 2555 deaths due to COVID-19 had been reported among the US prison population (Table). The cumulative incidence rate per 100 000 persons was 30 780 cases for the prison population and 9350 cases for the US population, with a prison-to-US cumulative incidence ratio of 3.3 (95% CI, 3.3-3.3). The standardized mortality rate per 100 000 persons was 199.6 deaths for the prison population and 80.9 deaths for the US population (Table), with a prison-to-US standardized cumulative mortality rate ratio of 2.5 (95% CI, 2.3-2.7).

The prison population weekly incidence rate peaked during the week of December 13,2020, when there were 2327 new cases per 100 000 persons. The standardized mortality rate peaked during the week of January 3,2021, with 9.6 new deaths per 100 000 persons (Figure). During these weeks, the prison- to-US incidence rate ratio was 5.0 (95% CI, 5.0-5.1), while the standardized mortality ratio was 2.7 (95% CI, 1.9-3.8).

Discussion | COVID-19 incidence and standardized mortality rates remained consistently higher among the prison population than the overall US population in the first year of the pandemic. While COVID-19 incidence and mortality rates peaked in late 2020 and early 2021 and have since declined, the cumulative toll of COVID-19 has been several times greater among the prison population than the overall US population.

A study limitation is reliance on publicly available data, which are subject to potential misreporting, delays,4 and inconsistencies in population estimates.3 In addition, differences in testing rates between the overall US population and the prison population may have biased incidence ratios. Also, the study period did not capture the more recent outbreak of COVID-19 cases due to the Delta variant. Nevertheless, this study underscores the importance of initiatives such as vaccination, decarceration, and continued disease surveillance in prison settings as long as the pandemic continues.


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16388 incidence COVID.jpg admin 10 Oct, 2021 19:53 35.84 Kb 42
16387 Prision COVID cases 5X higher death 2X higher.pdf PDF 2021 admin 10 Oct, 2021 19:33 128.82 Kb 37
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