Majority of Canadians have now caught COVID — what does that mean for the future?

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New data shows huge surges of infections after Omicron landed in Canada in late 2021. This raises new questions about what that level of population immunity means for the future. (Evan Mitsui/CBC)


(Adam Miller/ CBC News) — The majority of Canadians have caught COVID-19 since Omicron and its highly contagious subvariants triggered enormous waves of infection this year — with new estimates suggesting almost two-thirds of the population have had it.

Researchers in British Columbia analyzed close to 14,000 blood samples in the Lower Mainland throughout the pandemic to track antibody levels in the general population, and found a massive shift in the number of infections in the past few months.

The B.C. Centre for Disease Control and Prevention (BCCDC) and University of British Columbia team previously found almost half previously had COVID as of April, but their new data suggests that number continued to skyrocket into the spring and summer. (…)

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