Got COVID? Here’s how long immunity might last as new variants emerge – GLOBAL

October 11, 2022

A bout of COVID-19 infection may not be enough for long-lasting immunity as the virus continues to mutate and new variants emerge.

Infection-acquired immunity from catching COVID-19 can act as a protective layer for a period of time, but that protection wanes just as vaccine-induced immunity does, experts say, noting infection from one variant may not provide any protection against another.

In Canada and globally, the Omicron sub-variant BA.5 is dominant, but the World Health Organization (WHO) is tracking hundreds of others.

Since its emergence in late 2019, COVID-19 has produced multiple mutations with Alpha, Beta, Gamma, Delta and Omicron so far characterized as variants of concern.

COVID-19 infection does not always result in a good immune response, experts say — and reinfections can happen.

So, how long are you immune to COVID-19 after infection?

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