Karl Friston: the numbers point to the same thing: that the “effective susceptible population” was never 100%, and was at most 50% and probably more like only 20% of the population.
@Hemmels The 80% number is based on a /model/. More interesting is the vaccine study linked near the top which found existing resistance to SARS-CoV-2 in 40-60% of non-exposed subjects.
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