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 …
Are you referring to @CT_Bergstrom? He is a respectable evolutionary biologist. I am unaware of him claiming that 70% or any other number is needed for herd immunity. Media usually cite anonymous "experts".
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Can you provide a reference? Don't want to accuse him if not true. Now, if you wish to learn about herd immunity, I recommend infectious disease epidemiologists such as
@SunetraGupta, rather than an evolutionary biologist.
End of conversation
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