Health
China Drug Regulator Says COVID-19 Vaccines Must Have 50 Percent Efficacy Rate to Be Approved for Use – Newsweek
The outlined efficacy rates follow guidelines put out by the World Health Organization and the U.S. Food and Drug Administration.
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 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.
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