CNBC
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…
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FDA approves updated Pfizer, Moderna Covid vaccines as virus surges; shots to be available within days
Lloyd Antes
02:39
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…
