The second phase of five-day anti-polio campaign is underway in Khyber Pakhtunkhwa.During this phase, more than seven point one million children up to five years of age will be administered anti-polio vaccine drops.The children will also be administered a supplementary dose of 'Vitamin-A' during the drive.Meanwhile, anti-polio campaign has been postponed in Malakand and Hazara divisions for two days due to heavy rains.According to Emergency Operations Center, the polio drive in these divisions will commence from Tuesday.Source: Radio Pakistan