How Pakistan got rid of Polio Virus? 9 Jul, 2016
ISLAMABAD: (APP) A total of around 862 million doses of Oral Polio Vaccine (OPV) were administered to all children under five years of age across Pakistan during 2013 to 2015.The OPV drops administered through the National Supplementary Immunization Days (NIDs) and Sub-National Immunization Days ...