Again: Viruses do not necessarily evolve to be milder—especially if they transmit early, like this one. Our immune system learning about it—via vaccines or infection—can mean better response next time, so milder experience. Not same as virus becoming intrinsically less virulent.https://twitter.com/zeynep/status/1465075561236250631 …
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(We'd know by now... Two years in, these are not unknown questions. I'm saying the most boring, obvious thing, tbh).
Thanks. Twitter will use this to make your timeline better. UndoUndo
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