Can a virologist or epidemiologist explain why the conventional wisdom, just a few months ago, was that a virus was very unlikely to mutate to be BOTH more infectious AND more virulent. Now the CW is that B117, B1351, & P1 are all both more infectious and more virulent.
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Replying to @MattNoahSmith
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🤷🏻♀️ @DanielleFong
i’ve been talking about this since feb of last year; while there is normally a tradeoff between contagiousness & severity, if the bulk of infection happens before the worst severity, or if much infectious happens with asymptomatic / subsymptomatic people, tradeoff doesn’t apply https://twitter.com/MattNoahSmith/status/1377001525206265858 …
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10:19 PM - 30 Mar 2021
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