Ahead of the fall respiratory virus season, the Food and Drug Administration has approved two updated COVID-19 vaccines. The new messenger RNA, or mRNA, vaccines from Moderna and Pfizer/BioNTech are formulated to better target variants that are currently circulating and will replace outdated vaccines.
Ahead of the fall respiratory virus season, the Food and Drug Administration has approved two updated COVID-19 vaccines. The new messenger RNA, or mRNA, vaccines from Moderna and Pfizer/BioNTech are