• What to Know About BA.2.12.1, the New Variant Spreading in the U.S

    16 days ago - By Time

    It's only been about six months since the Omicron variant emerged and changed the landscape of the pandemic, sending case-counts soaring and causing breakthrough infections even among those who were fully vaccinated and boosted. The virus continues to keep scientists guessing, mutating into subvariants almost as fast as researchers can assign them names.
    First there was BA.2, which became dominant in the U.S. earlier this spring. Now, another Omicron descendent known as BA.2.12.1 is accounting for a growing share of U.S. cases-about 36% of samples sequenced during the week ending April 30...
    Read more ...