specific immunity thresholds for sars-cov-2 estimated from unfolding epidemics
specific immunity thresholds for sars-cov-2 estimated from unfolding epidemics
we emphasize that the classical formula, 1  1/ r 0, remains applicable to describe herd immunity thresholds for random vaccination, but not for immunity induced by infection which is naturally selective.", "herd immunity thresholds are then calculated as 1  (1/ r 0)1/(1+ cv 2) or 1  (1/ r 0)1/(1+2 cv 2), depending on whether variation is on susceptibility or exposure.", "these findings have profound consequences for the governance of the current pandemic given that some populations may be close to achieving herd immunity despite being under more or less strict social distancing measures."


































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