1 in 10 children also get ear infections or pneumonia. 2 in 10,000 risk death. Mumps Causes painful swelling in glands in the neck and behind the ears. 1 in 10 experience meningitis. 1 in 4 teen or adult males suffer painful swelling of the testicles.
Rare cases lead to deafness or sterility.
If exposed to rubella in the 1st 3 months of pregnancy, can cause miscarriage, stillbirth, or baby born with birth defects.