From 1 April 2026 two new organisations are now responsible for planning and overseeing NHS services for local people. The last day of operation for Hertfordshire and West Essex ICB was 31 March 2026. Find out more

Vaccinations and immunisations

Vaccines are the most effective way to prevent many infectious diseases. They prevent millions of deaths worldwide every year. However, if people stop having vaccines, it's possible for infectious diseases to quickly spread again. If you are invited by the NHS to have a vaccine, please take that opportunity.