The UK will “urgently” offer hundreds of thousands of London-based children aged one to nine a polio vaccine booster as sewage surveillance suggests transmission is occurring in parts of the capital.
The move will help strengthen protection against polio-related paralysis in London and interrupt transmission of the virus, the UK Health Security Agency said on Wednesday.
“Nationally the overall risk of paralytic polio is considered low because most people are protected from this by vaccination,” it noted.
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