Sanofi ($SNY) faced a long delay before its Indian affiliate, Shantha Biotechnics, finally came through with the launch of its low-cost pediatric pentavalent vaccine, Shan5. But now that it has, it says it's ready to deliver 37 million doses of the jab--and it's already begun, handing over 400,000 to aid immunization in Gwalior and Jabalpur. More from FierceVaccines