Τις τελευταίες ημέρες δημοσιεύθηκαν δύο preprints (Britton T, Trapman P, Ball FG. The disease-induced herd immunity level for Covid-19 is substantially lower than the classical herd immunity level. medRxiv 2020: 2020.05.06.20093336 και Gomes MGM, Corder RM, King JG, et al. Individual variation in susceptibility or exposure to SARS-CoV-2 lowers the herd immunity threshold. medRxiv 2020: 2020.04.27.20081893), τα οποία αναφέρουν ότι …
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