Omicron BA.2.12.1 Becomes Dominant Covid Variant in U.S., Accounting For 58% Of New Cases
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Two months is all it took. In mid-March, Omicron BA.2.12.1 and sister subvariant BA.2.12.2 made up only 1.5% of newly-sequenced positive tests in the U.S. Today, they comprise 57.9% of all new positive Covid test samples sequenced to determine the variant involved. And that roughly 58% is likely just about all BA.2.12.1. The Centers for [

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