In October and December 2024, circulating vaccine-derived poliovirus type 2 (cVDPV2) was detected from two wastewater samples in Poland during routine environmental surveillance. The first isolate was characterised and matched previous cVDPV2 isolates detected in Spain in September, as well as in Germany, Finland, and the United Kingdom in November and December 2024. In response to the event, active surveillance for acute flaccid paralysis (AFP) has been strengthened, and the frequency of environmental sample collection has been increased.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11719809PMC
http://dx.doi.org/10.2807/1560-7917.ES.2025.30.1.2400805DOI Listing

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