RT Article T1 Risk of COVID-19 infection among prison staff in the United States JF BMC public health VO 21 IS 1036 A1 Nowotny, Kathryn M. A2 Brinkley-Rubinstein, Lauren A2 Seide, Kapriske LA English YR 2021 UL https://krimdok.uni-tuebingen.de/Record/1912691361 DO 10.1186/s12889-021-11077-0