Vaccination is one of the most effective ways to prevent severe illness from measles, mumps and rubella. No vaccine is 100% effective, so it is still important to know the signs and symptoms of these diseases, even if you or your child are vaccinated. For more information about measles, mumps and rubella visit:
NHS 111 Wales - Health A-Z : Measles (external site)
NHS 111 Wales - Health A-Z : Mumps (external site)
NHS 111 Wales - Health A-Z : Rubella (German measles) (external site)