BA.2 now dominant variant in the United States as funding fight continues

A man walks underneath the marquee of the Alex Theatre in Glendale, Calif., which bears a message urging people to get Covid-19 vaccine booster shots, on Jan. 24. | Chris Pizzello/AP Photo

The highly contagious Omicron BA.2 is now the dominant variant of Covid-19 in the U.S., according to the Centers for Disease Control and Prevention, comprising more than half of new cases reported in the country last week.

The subvariant, which is more transmissible but not more severe than the original Omicron variant that hit the U.S. earlier this year, spread widely last week, according to CDC data released on Tuesday. BA.2 now accounts

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