ISLAMABAD: Following the presence of the polio virus in the sewerage of major cities of three provinces, Pakistan has decided to launch a special three-day anti-polio drive, ARY News reported, citing sources.

Polio virus was found in the sewerage of Punjab, Sindh and Balochistan’s big cities.

Sources familiar with the development said the samples taken from Karachi, Okara, Hyderabad, Sukkur, Jacoabad, Islamabad, Kohat, Quetta, Peshawar and Sibi sewerage, tested positive, pushing the number of the positive polio virus samples to 46 this year.