BEIJING — A total of 13 types of COVID-19 vaccines, approved for conditional marketing or emergency use, are now available as a second booster dose in China, according to experts with the State Council inter-agency task force for COVID-19 response. Omicron-resistant vaccines are preferred in choosing second booster doses, said experts with the State Council joint prevention and control mechanism …
BEIJING – China’s two most widely used COVID-19 vaccines, developed by Sinovac and Sinopharm, were shown to be effective against the Delta variant of the coronavirus, a study based on real-world data in the country showed on Tuesday. The two vaccines were 52% effective against Delta infection and 60% for symptomatic disease, researchers wrote in a peer-reviewed paper. The study …