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Islamabad: Pakistan has confirmed the presence of polio virus in samples collected from seven cities.
According to authorities, the poliovirus has been detected in four Khyber Pakhtunkhwa cities. Sewage samples from Peshawar, Bannu, Nowshera, and Swat were collected for testing, Geo News reported.
Polio has also been found in sewage samples from Islamabad and Rawalpindi, the Pakistan news agency reported.
Federal officials have reported 13 confirmed cases of polio in North Waziristan and one in Laki Marwat.