China’s NMPA has granted emergency use authorization for two COVID-19 vaccines as boosters, Cansino Biologics Inc.’s inhaled vaccine Convidecia Air and Livzon Pharmaceutical Group Inc.’s recombinant protein vaccine. Convidecia Air is an aerosolized adenovirus type 5 vector-based vaccine. It is the first inhaled COVID-19 vaccine to be approved globally, according to Cansino.