How long does protective immunity against COVID-19 last after infection or vaccination? Two immunologists explain - The Conversation AU

Because COVID-19 is a relatively new virus, researchers still aren’t sure exactly how long vaccines and prior infections provide protection.

As the omicron variant of SARS-CoV-2 took hold across the globe in late 2021, it became readily apparent that the pandemic had entered a new phase. Having experienced a previous COVID-19 infection or… [+8550 chars]

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