Polio Virus Found in London Sewage Puts U.K. on High Alert

Polio has been detected in London’s wastewater system, U.K. health authorities said, putting clinics on high alert for an infectious disease that hasn’t been recorded in Britain for nearly four decades.

The U.K. Health Security Agency raised the alarm on Wednesday after it found several closely related polioviruses in sewage samples taken from a treatment facility in east London between February and May. That pattern of detection suggests that a form of the virus has been spreading locally, the agency said.


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