CVDPV2 in United Kingdom
As of 26 March 2026, vaccine-derived poliovirus type 2 (cVDPV2) has been detected in two unrelated environmental sewage sample collected in London between January and March 2026. Sporadic vaccine-derived poliovirus type 2 (cVDPV2) environmental samples have been identified in various regions since 2022. There is no evidence of community transmission in the UK, and the risk to the public is low. Please see our Topics in Brief article for further details on polio.
CVDPV2 in United Kingdom
As of 12 November 2025, vaccine-derived poliovirus type 2 (VDPV2) has been detected in an environmental sewage sample collected in Yorkshire and the Humber on 16 September 2025. This is the second cVDPV2 positive environmental sample reported in the UK for 2025. Please see our Topics in Brief article for further details on polio.
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