news: Another Omicron subvariant, known as BA.2.12.1, has become the dominant form among new U.S. virus cases.

Tuesday, May 24, 2022

Another Omicron subvariant, known as BA.2.12.1, has become the dominant form among new U.S. virus cases.

By BY ADEEL HASSAN from NYT U.S. https://ift.tt/6lm7xPK

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