Vaccine-Derived Poliovirus Detected in London Sewage Samples

Vaccine-Derived Poliovirus Detected in London Sewage Samples
A illustration photo showing a syringe and a bottle labeled "Polio vaccine." Alamy/PA Media
Lily Zhou
Updated:

The UK’s health authorities on Wednesday called on parents to have their children updated on polio vaccines as they investigate a possible outbreak of the disease.

The UK Heath Security Agency (UKHSA) said several closely-related polioviruses were found in sewage samples taken between February and May from the London Beckton Sewage Treatment Works, which serves around 4 million people in north and east London.

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