A new variant of Covid-19 is spreading rapidly across the US this holiday season, even as Americans’ interest in getting vaccinated has faded.
JN. 1, a sub-variant of Omicron that has an additional mutation in the spike protein, now accounts for more than 44 per cent of Covid cases in the US, doubling its spread in just two weeks, according to estimates by the Centers for Disease Control and Prevention this week.
The World Health Organization on Tuesday classified JN. 1 as a “variant of interest”, citing its rapidly increasing spread globally, but noted that it posed a low risk to global health.
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