3 ms·Polio virus detected in London sewage samples10 points by helsinkiandrew 4y agosieste 4y agoMaybe related: "Polio: Vaccinated British man shed virus for 30 years" [2015] https://www.bbc.co.uk/news/health-34082627 https://www.bbc.co.uk/news/health-34082627