Before measles vaccine was used widely, almost all children got measles. Now, because of the routine use of vaccine, very few children get measles in Canada. SSPE has almost completely disappeared. Mumps Mumps can cause fever, headaches and swelling of the cheeks and jaw. The swelling is caused by an infection of the salivary glands.
Mumps can cause meningitis, an infection of the fluid and lining covering the brain and spinal cord.
About 1 in every 10 people with mumps gets meningitis. Fortunately, mumps meningitis is usually mild. Mumps can cause deafness in some children. Mumps can cause very painful, swollen testicles in about 1 out of 4 teenage boys or adult men. This may rarely cause sterility.