New study shows about 25% of Canadians haven’t caught COVID-19 CTV News
Data on COVID-19 in Canadians’ blood show impact of vaccination campaigns, new study finds The Globe and Mail
Does convalescent serum treatment lower mortality in SARS-CoV-2-infected individuals? News-Medical.Net
COVID-19 immunity: Study shows extent CTV News
Class switch towards spike protein-specific IgG4 antibodies after SARS-CoV-2 mRNA vaccination depends on prior infection history | Scientific Reports Nature.com