Pfizer BioNTech double shot vaccine ٩٤% effective, study shows; Trisha Yearwood 'doing OK' after contracting virus Live COVID ١٩ updates.

حوالي ٣ سنوات فى USA Today

Pfizer-BioNTech will begin testing a booster shot to combat COVID-19 variants, the companies announced Thursday. Latest COVID-19 updates.

     

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