The UK Health Security Agency has declared a "national incident" after finding traces of the virus that causes polio for the first time in nearly 40 years.
Samples taken from a sewage treatment works in east London between February and May suggest the virus has spread between a small number of people, possibly in an extended family in the capital.
The UK Health Security Agency has declared a “national incident” after finding traces of the virus that causes polio for the first time in nearly 40 years.
Samples taken from a sewage treatment works in east London between February and May suggest the virus has spread between a small number of people, possibly in an extended family in the capital.
Sign up and we’ll deliver breaking news and all the stories you need to stay informed.
