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WHO Says Widespread COVID-19 Vaccines Aren’t Expected Until Mid-2021

  • September 04, 2020

  With none of the COVID-19 vaccines currently in clinical trials showing the 50% efficacy needed for approval, it’s highly unlikely a vaccine will be ready before mid-2021, the World Health Organization says. The prediction is in sharp contrast to U.S. reports that Pfizer could have a vaccine ready as early as the end of October. Making sure the vaccine is safe is another reason for delaying its release, Margaret Harris, WHO spokesperson, said: “This phase 3 must take...