what's... your point exactly?https://twitter.com/ArisKatzourakis/status/1445038725529022475 …
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Replying to @wanderer_jasnah
"It's not going to become a common cold" I imagine
3 replies 0 retweets 10 likes -
Replying to @notdred @wanderer_jasnah
zeynep tufekci Retweeted zeynep tufekci
This the confusion. Viruses don't necessarily evolve towards less virulence, but, of course, as people get vaccinated/infected the disease is experienced as less severe, on average, next time: how many pandemics end. People confuse the two mechanisms.https://twitter.com/zeynep/status/1445046912013459457 …
zeynep tufekci added,
zeynep tufekciVerified account @zeynepReplying to @zeynep @jbloom_lab and 2 othersAlso some of the issue seems to be some think viruses always evolve towards less virulence—not necessarily, selection pressure is on transmission—but then others conflate that correction with lessening severity due to immune memory (true regardless of host or virus evolution).8 replies 2 retweets 17 likes -
Fatality rate may also appear to wane because those with increased susceptibility due to comorbidities or genetics have died in earlier waves.
1 reply 0 retweets 1 like
Indeed. At some point, looking at (elderly|survived exposure).
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