China's Xi unwilling to accept vaccines despite threat from protests
China hasn't approved any foreign COVID vaccines, opting for those produced domestically, which some studies have suggested are not as effective.
Vials with Pfizer-BioNTech and Moderna coronavirus disease (COVID-19) vaccine labels are seen in this illustration picture taken March 19, 2021. (photo credit: REUTERS/DADO RUVIC/ILLUSTRATION/FILE PHOTO)Updated: 
