Rapid antigen screening of asymptomatic people as a public health tool to combat COVID-19.

[See related article at [www.cmaj.ca/lookup/doi/10.1503/cmaj.202827][2]][2] KEY POINTS Jurisdictions across Canada have been trying to combat a second wave of the coronavirus disease 2019 (COVID-19) pandemic without using all the available tools. Accumulating evidence has shown that people who are