FDA approves updated Pfizer, Moderna Covid vaccines as virus surges; shots to be available within days
The Covid jabs target a strain called KP.2, a descendant of the highly contagious omicron subvariant JN.1 that began circulating widely in the U.S. this year.
The Covid jabs target a strain called KP.2, a descendant of the highly contagious omicron subvariant JN.1 that began circulating widely in the U.S. this year.
