China Drug Regulator Says COVID-19 Vaccines Must Have 50 Percent Efficacy Rate to Be Approved for Use


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China Drug Regulator Says COVID-19 Vaccines Must Have 50 Percent Efficacy Rate to Be Approved for Use Newsweek 1 hr ago Jocelyn Grzeszczak © CHANDAN KHANNA / AFP/Getty A lab technician sorts blood samples for COVID-19 vaccination study at the Research Centers of America in Hollywood, Florida on August 13, 2020. China's drug regulator has said COVID-19 vaccine candidates must have a 50 percent efficacy rate and be able to provide users with at least six moths' immunity from the virus if they are to be approved in the country. A draft document released by the Chinese Centre for Drug...