No respectable epidemiologist claims that 70%, or any other number, is needed for #herdimmunity. We do not yet know. Also, depends on who. Less needed if e.g. young contact rich professionals build herd immunity, rather than elderly nursing home residents.https://twitter.com/mrgrimm/status/1289986991174557696 …
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Replying to @Frasod
It is actual immunity in the population, which can be higher than seroprevalence.
3:42 PM - 2 Aug 2020
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