Regulatory FocusFDA issues COVID-19 vaccine guidance, setting 50% effectiveness thresholdJun 30, 2020Michael MezherBy Michael Mezhermore_vert
The ScientistFDA to Require 50 Percent Efficacy for COVID-19 VaccinesJul 1, 2020Amanda HeidtBy Amanda Heidtmore_vert
USA TODAYFDA says a coronavirus vaccine would have to be at least 50% effective to be approvedJun 30, 2020Elizabeth WeiseBy Elizabeth Weisemore_vert
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