On 10 November 2025, the Global Polio Eradication Initiative (GPEI) was informed that wild poliovirus type 1 (WPV1) was isolated from an environmental (sewage) sample collected through routine surveillance in Hamburg, Germany, during the week of 6 October 2025. Genetic sequencing indicates that the detected virus is linked to WPV1 last identified from an environmental … Continue reading Detection of Wild Poliovirus Type 1 (WPV1) in Environmental Sample in Germany