All children aged one to nine in London should receive a polio vaccination in the coming weeks, public health experts have said as a new booster programme is announced.
The UK Health Security Agency said that, since early February, 116 polioviruses had been identified in 19 sewage samples from boroughs in north-east and central London including Barnet, Camden, Hackney, Haringey, Islington and Waltham Forest.
