China Drug Regulator Says COVID-19 Vaccines Must Have 50 Percent Efficacy Rate, Be Able To Provide At Least Six Months’ Immunity to Be Approved for Use

Newsweek ^ | 08/19/2020 Posted on 08/19/2020 10:08:19 AM PDT by SeekAndFind 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 months’ immunity from the virus if they are to be approved in the country. A draft document released by the Chinese Centre for Drug Evaluation (CCDE) laid out the guidelines, stipulating that while 50 percent efficacy is the minimum, the target is that vaccines should be effective for 70 percent of the population. Emergency use of vaccines that have achieved the minimum efficacy…