ISLAMABAD: Environ­mental samples collected from 21 districts have confirmed the presence of wild poliovirus type 1 (WPV1) in those areas. The samples were collec­ted from Muzaffarabad, Dera Bugti, Hub, Khuzdar, Noshki, Nasirabad, Usta Moh­ammad, Zhob, Las­bela, Islamabad, Charsa­dda, Peshawar, Swabi, Tank, Bahawalpur, D.G. Khan, Jhang, Lahore, Multan, Rahimyar Khan and Karachi East, according to an official of the Regional Reference Labo­r­atory for Polio Eradi­cation at … Continue reading Sewage samples from 21 districts test positive for poliovirus