Hybrid Immunity
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Most Canadians have hybrid COVID-19 immunity. Could it prevent a fall wave?By March 2023, more than 75 per cent of the population had immunity because of a COVID-19 infection, according to a new CMAJ study.CanadaAug 15, 2023
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Got COVID? Here’s how long immunity might last as new variants emergeInfection-acquired immunity from catching COVID-19 can act as a protective layer for a period of time, but it wanes and is not guaranteed, experts warn.CanadaOct 11, 2022
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