Polio Virus Found in London Sewage Samples

June 22, 2022

(Axios) – Britain’s polio-free status may be in jeopardy for the first time in nearly 20 years as several samples of the polio virus were found during recent London sewage testing, the U.K. Health Security Agency said Wednesday. Why it matters: The discovery means it’s likely there has been some spread of a “vaccine-derived” polio virus between close contacts in London, the agency said. The last case of wild polio in the U.K. was confirmed in 1984 and the country has remained polio-free since 2003. (Read More)