Polio Detected in Zimbabwe Sewages

Health authorities in Harare, the capital of Zimbabwe have detected a vaccine-derived Poliovirus type 2 (Cvdpv2) circulating in the sewage system in high-density suburbs of Budiriro, Crowbrough, Mbare, and Mufakose. By Michael Gwarisa According to the World Health Organisation (WHO), Vaccine-derived poliovirus is a well-documented strain of poliovirus mutated from the strain originally contained in Oral Polio Vaccine (OPV). OPV contains a live, weakened form of poliovirus that replicates in the intestine for a limited period, thereby developing immunity by building up antibodies. In Harare the poliovirus was detected through…

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