New COVID variant is fastest-growing strain in U.S.
JN.1 is the fastest-growing strain in the United States, according to the CDC. The variant first emerged in September and is descended from the Omicron subvariant, BA.2.86.
JN.1 is the fastest-growing strain in the United States, according to the CDC. The variant first emerged in September and is descended from the Omicron subvariant, BA.2.86.