A three-day anti-polio campaign began in selected districts of Punjab, Balochistan, Khyber Pakhtunkhwa and FATA on Monday.

The districts where the drive started include eight districts of Punjab, twenty districts of Balochistan, seventeen districts of Khyber Pakhtunkhwa and Federally Administered Tribal Areas.

In Punjab, nearly seven million children below the age of five years will be administered anti-polio drops.

In Balochistan, more than one point seven million children and in Khyber Pakhtunkhwa and FATA, five million children will be give anti-polio vaccine.

Tight security measures have been taken to ensure security of polio teams.