Quetta- A three day anti-polio drive began today in high risk areas of Balochistan. The anti-polio drive will continue in Quetta, Qila Abdullah, Zhob, Pishin and Sherani areas during which 5,40,000 children will be vaccinated. Some 1053 teams have been constituted, while 145 fixed and 152 transit points have been set up to administer polio drops.