Từ khóa: #mass vaccination against diphtheria

Free mass vaccination against diphtheria conducted on children under seven

Free mass vaccination against diphtheria conducted on children under seven

Due to several localities hit by deadly diphtheria outbreaks, Deputy Director of the National Institute of Hygiene and Epidemiology Duong Thi Hong yesterday said that the institute will carry out mass vaccination program against diphtheria on children aged under seven countrywide.