ISLAMABAD: Polio virus has been found in sewerage of the major cities of Pakistan, citing National Institute of Health (NIH) sources, ARY News reported on Thursday.
According to a technical report of polio-positive sewerage samples compiled by the NIH, the virus of crippling disease was found in nine sewerage samples of five cities of Pakistan including, Karachi, Peshawar, Quetta, Chaman and Mastung.
