Williams-Roberts, H; Groot, G; Dalidowicz, M; Young, C; Mueller, M. What are the risk factors for severity and death associated with COVID-19? 2020 May 17; Document no.: EPM050901 RR Table. In: COVID-19 Rapid Evidence Reviews [Internet]. SK: SK COVID Evidence Support Team, c2020. (CEST table) https://covid19evidencereviews.saskhealthauthority.ca/en/permalink/coviddoc89

Jagwani, M; Lee, S; Shumilak, G; Reeder, B; Groot, G; Hernandez, L; Howell-Spooner, B; Miller, L. How effective are COVID-19 vaccines? 2021 Dec 26; Document no.: INF031801v019 RR. In: COVID-19 Rapid Evidence Reviews [Internet]. SK: SK COVID Evidence Support Team, c2021. (CEST Table) https://covid19evidencereviews.saskhealthauthority.ca/en/permalink/coviddoc295