Parents watch this out before you take your child for a polio vaccine from now on. Some vials of the oral polio vaccines that were administered to children in Maharashtra Telengana and Uttar Pradesh were contaminated with the type-2 polio virus stated the health ministry officials. A recent media report highlighted that these vials were manufactured by a Ghaziabad-based pharmaceutical company. The ministry has already issued advisories to the three states asking them to make polio surveillance teams track the children who have been given the contaminated vaccines. Not just that the surveillance teams have been ordered to monitor these