Poliovirus found in five environmental samples in four districts
Source: The News International
ISLAMABAD: The regional reference laboratory for polio eradication at the National Institute of Health (NIH) Islamabad has confirmed 5 new detections of Type-1 Wild Poliovirus (WPV1) from the four previously infected districts including two from Karachi East and one each from Karachi Central, Quetta and Kohat.