As robust poliovirus surveillance continues in Pakistan, 49 environmental (sewage) samples collected from 44 districts between February 10 and February 18 were tested at the Regional Reference Laboratory for Polio Eradication at the National Institute of Health during the past week.
The lab confirmed detection of wild poliovirus type 1 (WPV1) in sewage samples of Gwadar, Kech, Khuzdar, Killa Saifullah, Nasirabad, Quetta, Usta Muhammad, Lahore, Sargodha, Karachi East, Karachi South, Abbotabad, Bannu and Tank.
While the samples from Muzaffarabad, Gilgit, Diamer, Islamabad, Dukki, Mastung, Barkhan, Hub, Lahore, Gujrat, Bahawalpur, Rawalpindi, Sahiwal, Okara, Mianwali, Attock, Jhang, Bahawalnagar, Khanewal, DI Khan, Mansehra, Peshawar, Swat, Nowshera, Batagram, Dir Lower, Charsadda, Mardan and North Waziristan tested negative for poliovirus.
