• Is Orthrus the Next Top-Dog COVID Variant?

    1 month ago - By MedPageToday

    The Omicron subvariant XBB.1.5 - aka "Kraken" - has climbed to more than 66% of new COVID-19 cases in the U.S., but a relatively new Omicron subvariant named after a two-headed dog may be nipping at its tentacles.
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