A surge in infections from the Omicron variant last respiratory virus season left three quarters of Canada s population with immunity against the virus that causes COVID-19.
Most people in Canada now have hybrid immunity against SARS-CoV-2 through a mix of infection and vaccination, new research in CMAJ (Canadian Medical Association Journal) shows.
COVID-19: 75% of Canadians were infected by virus by spring 2023 vancouversun.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from vancouversun.com Daily Mail and Mail on Sunday newspapers.