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From the Document: A population can establish herd immunity to an infectious disease once a large enough portion of the population--typically 70 to 90 percent--develops immunity [ ] For diseases where no vaccination is available, it is possible to develop herd immunity through exposure to, and recovery from, the disease However, if COVID-19 [coronavirus disease 2019] runs its natural course, this approach would entail the risk of severe disease or death Given the risk associated with COVID-19 infections, achieving herd immunity without a vaccine could result in significant morbidity and mortality rates COVID-19 (Disease);Public health;Herd Immunity
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