Immunity — a Complex Team Sport - Healthnews.com

Most Americans already have immunity either through prior infection, vaccination, or both (“hybrid” immunity). Why do we still get sick despite being boosted?

As new SARS-CoV-2 variants emerge, our vaccines continue to protect against severe disease but most people have gotten sick during the Omicron wave. Now,most Americans already have immunity either th… [+6640 chars]

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