The Global Polio Eradication Initiative (GPEI) reported this week on a advance notification of circulating vaccine-derived poliovirus-1 (cVDPV1) in Papua New Guinea. Following identification last month...

An 18th confirmed case of circulating vaccine-derived poliovirus (cVDPV) was reported this week in the Democratic Republic of the Congo (DRC), according to the Global Polio Eradication Initiative this...

Additional cases of type 2 circulating vaccine-derived poliovirus (cVDPV2) have been reported recently in both Syria and the Democratic Republic of the Congo (DRC), according to the Global Polio Eradication...

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One new case of circulating vaccine-derived poliovirus type 1 (cVDPV1) was reported in the past week in Madagascar, with onset of paralysis on 22 August from Sud-Ouest province, according to the Global...