Polio vaccine catch-up campaign for London as sewage surveillance findings suggest reduced transmission

Fewer poliovirus detections in London show signs of reduced community transmission but vaccine rates in some London boroughs still too low.

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Following the UK Health Security Agency (UKHSA)’s continued surveillance of sewage in London no further vaccine-derived poliovirus type 2 (VDPV2) isolates have been detected since early November, which suggests transmission in London has significantly reduced.