Measles, mumps and rubella are serious diseases that spread very easily.
Measles is spreading in London and many parts of the UK now. Children who get measles can be very ill. Some will suffer life changing complications.
Find out how measles could affect your child on the Healthier Together website.
How to protect your child from measles
The best way to protect your child is to make sure they are fully up to date with vaccinations.