I find discussions of herd immunity thresholds frustrating. Herd immunity (which I'll define as a current reproductive rate < 1) depends on policy & behavior. It is NOT an absolute number. THREAD 1/17
— Anup Malani (@anup_malani) December 24, 2020
via Twitter https://twitter.com/anup_malani
December 25, 2020 at 12:17AM
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