Health ministry officially approves Pfizer shots at lower doses for ch… stockbot 0 27 2022.03.01 23:36 http://vietnamnews.vn/society/1160517/health-ministry-officially-appro… + 5 https://vietnamnews.vn/rss/society.rss + 3 The decision was reflected in the amended approval for emergency use of the Comirnaty shots originally signed in June last year.