ISLAMABAD, MAR09 (APP), Minister for National Health Services, Regulations and Coordination Saira Afzal Tarar said the government was taking serious measures to eradicate polio from the country. Replying to a question in the Senate the minister said as part of such efforts, a total of around 862 million doses of Oral Polio Vaccine (OPV) were administered to all children under 5 years of age across Pakistan through the National (NIDs) and Sub-National (SNIDs) supplementary immunization activities conducted during the last three years.