
Children aged one to 11 in London will be offered polio vaccines as part of a catch-up campaign.
Health officials warned last year that there had been “some transmission” of the virus in the capital after detecting poliovirus in sewage samples.

Children aged one to 11 in London will be offered polio vaccines as part of a catch-up campaign.
Health officials warned last year that there had been “some transmission” of the virus in the capital after detecting poliovirus in sewage samples.