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 …