According to the “Beijing biological nvsi” wechat official account on May 21, on May 20, the covid-19 inactivated vaccine production II workshop of Beijing Institute of biological products of Sinopharm group obtained the World Health Organization (who) emergency use authorization again and entered the Eul list. This indicates that Beijing biology will further expand its ability to continuously and massively provide covid-19 vaccine products to the world through covax. It is reported that on May 7, 2021, Beijing biological covid-19 vaccine was authorized by who for emergency use.