COVID-19 in correctional facilities in Ontario, Canada: a retrospective epidemiological analysis from 15 January 2020 to 31 December 2022.

Purpose: The physical environment of correctional facilities promote infectious disease transmission and outbreaks. The purpose of this study is to compare the COVID-19 burden between the correctional facility (incarcerated individuals and staff members) and non-correctional facility population in Ontario during the COVID-19 pandemic.

Design/methodology/approach: All individuals in Ontario with a laboratory confirmation of SARS-CoV-2 between 15 January 2020 and 31 December 2022 and entered into the provincial COVID-19 data were included.