Pfizer CEO says a fourth booster shot is 'necessary' to protect against COVID-19
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"It is necessary, a fourth booster right now," Albert Bourla said on CBS's "Face the Nation."
Full ArticlePublished
"It is necessary, a fourth booster right now," Albert Bourla said on CBS's "Face the Nation."
Full ArticleWatch VideoDrugmaker Moderna asked the Food and Drug Administration on Thursday to authorize a fourth shot of its COVID-19 vaccine..