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Without a vaccine, it will take far longer for humans to reach collective immunity against the SARS-CoV-2 virus. According to early estimates from US health experts, at least 70% of the population may need to develop immunity to the SARS-CoV-2 virus, either by exposure to it or through vaccination, to achieve herd protection.
reject COVID vaccine

“We’re not going to get this virus under control until either we get a vaccine or it infects 80% or 90% of the population, and the latter is an outcome we don’t want because a lot more people will die,” infectious disease researcher Sarah George, MD, who is the principal investigator of a leading clinical trial for remdesivir at Saint Louis University, St. Louis, MO, told Popular Science.

A safe and effective vaccine for COVID-19 is “doable” by January 2021, said Anthony Fauci, MD, director of the National Institute of Allergy and Infectious Diseases. Meanwhile, scientists at Oxford University, London, UK, said that their coronavirus vaccine could be ready as early as September of this year.

Source: https://www.mdlinx.com

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