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Herd Immunity Won’t Come Anytime Soon for Covid-19
Herd immunity is the idea that a disease can’t spread through a population once a large enough percentage is immune, either because they’ve recovered from an infection or received a vaccine. But that won’t work with SARS-CoV-2, the coronavirus that causes COVID-19, said Samuel Scarpino, an assistant professor who runs the Emergent Epidemics lab at Northeastern
April 24, 2020