Anti-polio vaccination campaign begins in ninety one selected districts of the country from today.More than twenty four million children under the age of five years will be administered anti-polio vaccine during the campaign.The campaign is being held in ten districts of Punjab, 24 districts of Sindh, 26 districts of Khyber Pakhtunkhwa, 30 districts of Balochistan, and the federal capital Islamabad.Source: Radio Pakistan