Immunisation is the only effective method of prevention. Mumps vaccine is given in the form of the combined trivalent measles-mumps-rubella (MMR) vaccine in all European countries with a first dose at or before 18 months of age. The timing of the second dose varies across countries.
ECDC organised a meeting among invited experts to exchange cross-disciplinary perspectives on the issue of MMR vaccination refusal among the general European population.