Immunity Task Force News Today

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A long-running Ottawa-based study into COVID-19 immunity has unearthed promising insights on the still-mysterious disease, one of its lead researchers says — but she's concerned over how much longer the work will be funded.

A recent study finds that 75 per cent of the Canadian population had detectable antibodies from COVID-19 through infections by March 2023.

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A surge in infections from the Omicron variant last respiratory virus season left three quarters of Canadas 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.

Most Canadians now have hybrid immunity against SARS-CoV-2 through a combination of infection and vaccination, but certain groups remain vulnerable.

In-depth Analysis from the COVID-19 Immunity Task Force Sheds Light on the Omicron Dominance and Immunity Landscape Omicron's Dominance: By March 2023, after 16 months of the Omicron variant's rule, three out of every four Canadians gained immunity to SARS-CoV-2 due to infection. The comprehensive pan-Canadian seroprevalence analysis was made public by the COVID-19 Immunity

The fact that antibodies wane after about six months, and that this virus is always mutating, means we’re not out of the woods

Statistics Canada is releasing results from the second cycle of the Canadian COVID-19 Antibody and Health Survey (CCAHS). This survey provides a nationally