WHO Does What It Warned: Delists Shantha Biotech's Pentavalent Vaccine Shan5; More Pains For Sanofi-Aventis?

MUMBAI - In a move that could in the short term severely impair the reputation of Hyderabad-based vaccines maker Shantha Biotechnics, now part of Sanofi-Aventis, the World Health Organization has delisted its popular pentavalent vaccine Shan5, which is used by scores of nations as part of their national immunization programs for the prevention against deadly diseases like diphtheria, tetanus, hepatitis B and Hib