Nation-wide anti-polio campaign of varied duration to start from tomorrowA nation-wide anti-Polio drive of varied duration begins tomorrow to administer vaccine drops to children under five years age. During the campaign, Polio teams of health department will go door to door in all 159 districts of the country. In Punjab, during a week-long polio campaign over twenty three million children will be administered polio drops. In Khyber Pakhtunkhwa, over seven point four million children up to five years of age will be administered anti-polio drops during five-day drive. In Balochistan, over 2.5 million children up to five years of age would be administered anti-polio drops during week-long polio drive.