FDA Approves Updated COVID Vaccines from Pfizer and Moderna
The mRNA vaccines are formulated to more closely target currently circulating variants by including a monovalent component that corresponds to the Omicron variant XBB.1.5.
The mRNA vaccines are formulated to more closely target currently circulating variants by including a monovalent component that corresponds to the Omicron variant XBB.1.5.
BA.2, a novel subvariant of the Omicron strain of the SARS-CoV-2 virus, is stoking fears of a new wave of COVID-19 infections in the US and internationally.