The pentavalent vaccine a one-shot wonder to prevent diphtheria pertussis tetanus hepatitis-B and influenza-B in children was included in the Universal Immunisation Programme and will be rolled out in Karnataka next month. It has been hailed by experts saying that it will play a pivotal role in bringing down children s mortality in the country. The vaccine ran into some controversy though. The Pentavalent Immunisation Programme which began as a pilot project in Kerala and Tamil Nadu in December 2011 ran into a controversy after four deaths were reported from Kerala. However the state government refused to attribute it to