QUETTA: Environmental samples taken from drains of Baleli area confirmed presence of poliovirus in the area on Monday.

An official of the health department told Dawn that environmental samples had been taken from various drains of Quetta which were later sent for examination to a laboratory in Islamabad.

Poliovirus was found in the sample taken from the Baleli area and authorities concerned immediately launched a five-day special anti-polio campaign in the area.