Coronavirus variant update: and on to the BA.4/5 wave Last week the CDC update showed variant “Ba.1.1.526” increasing quickly to 6.6% of all cases. Although they did not note it, I wrote that this was almost certainly Ba.4/5; they simply had not made the change yet. Well, this week they did. This morning’s “nowcast” update of variants shows Ba.1.1.526 having vanished, with Ba.4/5 having taken its place, and having doubled to 13% of all cases in...
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