Herd immunity and COVID-19: What you need to know

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2022-12-26 18:46:08 -

https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/herd-immunity-and-coronavirus/art-20486808

https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/herd-immunity-and-coronavirus/art-20486808

WWW.MAYOCLINIC.ORG

Herd immunity and COVID-19: What you need to know

Get the facts about coronavirus and herd immunity.

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