Polio vaccination campaign in Karachiepaselect epa10788618 A Pakistani health worker administers polio drops to a child during a polio vaccination campaign in Karachi, Pakistan, 07 August 2023. The Pakistan Polio Laboratory at NIH has detected wild poliovirus in sewage samples from Peshawar and Rawalpindi. In Peshawar, the virus was found in environmental samples from Shaheen Muslim Town and Sarai Khola Taxila, with the type-1 wild poliovirus specifically detected. The detection of the virus in Peshawar comes after the last polio case reported on July 2020, and a previous positive sample collected in July.

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