Do you need a second booster for the BA.2 variant? It's complicated, says UCSF's Monica Gandhi - San Francisco Chronicle

Pfizer and Moderna are applying to the FDA for another COVID booster authorization. Both...

Two large COVID-19 vaccine companies are applying to the Food and Drug Administration to have fourth booster shots authorized. Each has a very different approach: Moderna is applying for a shot for a… [+5698 chars]

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