“FLiRT” COVID variants are now more than a third of U.S. cases. Scientists share what we know about them so far.
More than a third of COVID-19 cases in the U.S. are now estimated to be from a new, fast-growing member of a group of so-called “FLiRT” variants, nicknamed for their small but distinctive changes relative to the JN.1 strain. JN.1 was the variant behind this […]
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