Effectiveness of COVID-19 vaccines against hospitalization and death in Canada: a multiprovincial test-negative design study
Nasreen S, Febriani Y, García HAV, Zhang G, Tadrous M, Buchan SA, Righolt CH, Mahmud SM, Janjua NZ, Krajden M, De Serres G, Kwong JC; Canadian Immunization Research Network (CIRN) Provincial Collaborative Network (PCN) Investigators. Clin Infect Dis. 2022; Aug 17 [Epub ahead of print].