What’s CH.1.1? Meet ‘Orthrus,’ a new wildcard Omicron strain with a concerning Delta mutation
Omicron spawn XBB.1.5, also known as “Kraken,” now dominates the US COVID variant scene, comprising an estimated 61% of cases, according to federal health data released Friday. But there’s now a new player being tracked by the US Centers for Disease Control and Prevention that could give Kraken a run for its money. CH.1.1, or …