BA.2 Is Behind More Than 1 in 3 COVID Cases in U.S.
More than a third of COVID-19 cases in the U.S. are now caused by the Omicron subvariant BA.2.
Source: webmd.com
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More than a third of COVID-19 cases in the U.S. are now caused by the Omicron subvariant BA.2.
A new surge in COVID-19 cases across Western Europe has led U.S. health officials to consider whether another pandemic wave will arrive soon, even as states and cities continue to lift restrictions amid low case numbers.