Islamabad, July 13 -- Poliovirus has been detected in 20 sewage sample testing across Pakistan, as reported by ARY News on Sunday citing National Reference Laboratory.

As per Ary News, referring to details, the National Reference Laboratory has completed nationwide sewage sample testing, with the Poliovirus detected in a total of 28 sewage samples from 20 districts, including Islamabad, have tested positive for the virus.

Citing sources, Ary News observed that the environmental samples collected from sewer lines tested positive for Wild Poliovirus Type 1 (WPV1). These environmental samples were taken between May 8 and June 17.

In Sindh, 14 sewage samples from 10 districts tested positive for polio. Three samples in Lahore also came bac...