Karachi
The World Health Organisation (WHO) has confirmed the presence of poliovirus P1 in the sewage of three Pakistani cities - Karachi, Hyderabad and Peshawar.
“Laboratory analysis has confirmed that P1 poliovirus was present in the sewage of Gadap Town in Karachi, Hyderabad and University Town in Peshawar,” a WHO official said on Monday.
The official said the samples were collected earlier this month.He added that the laboratory tests
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