The Ministry of Health has confirmed the presence of poliovirus in environmental samples from nine districts of the country.
According to the spokesperson of the Ministry of Health, the virus was found in one sample each from Quetta, Mastung, Multan, Peshawar, Nowshera, and Hab.
The Poliovirus was also found in samples from Karachi Malir, Karachi South and Dera Ismail Khan.
He said that the virus found in all the samples was from across the border.