More than a quarter of Quebec adults had recently acquired, infection-related antibodies to SARS-CoV-2 by mid-March: Latest data from Héma-Québec

A recent serosurvey conducted by Héma-Québec estimates that 27.4% of adults in the province developed infection-acquired antibodies to SARS-CoV-2 between January and mid-March 2022, during the first Omicron wave.