SINOVAC Varicella Vaccine Prequalified by WHO streetinsider.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from streetinsider.com Daily Mail and Mail on Sunday newspapers.
BEIJING (dpa-AFX) - Sinovac Biotech Ltd. (SVA) said that it received prequalification from the World Health Organization or WHO for its varicella vaccine. This marks the first WHO prequalified