10:32DiscoveryThe Vaccine Detectives05/10/2010 GMTBBC World Service Duration: 27 minutes Wed 6th Oct 2010, 10:32 on BBC World Service OnlineAvailable for over a yearListen nowMedical sleuths in West Africa make startling discoveries that could change child health care worldwide.GenresFactualScience & NatureFormatsDocumentariesBrandDiscoverySeriesDiscovery: The Vaccine Detectives Source: BBC Online