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Circulating vaccine-derived poliovirus type 2 – Nigeria

On 5 June 2018, a circulating vaccine-derived poliovirus type 2 (cVDPV2) outbreak was confirmed in Sokoto State, Nigeria. From 30 January through 23 May 2018, ten environmental samples collected from two collection sites all tested positive for genetically-related VDPV2 viruses. No associated cases of acute flaccid paralysis (AFP) have been detected with this cVDPV2.

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