Most people are ill for several days, but some may need to be hospitalized. If you have a history of Guillain-Barre Syndrome, or have a serious allergic reaction to eggs, consult with your physician before deciding whether to get immunized. People who are moderately or severely ill on the day their shot is scheduled should not be vaccinated until their symptoms subside. Most people need one dose. Some people with certain medical conditions may require a second vaccination.
Some people have a sore arm for one or two days following the injection.
Back to top Measles and Mumps Measles is a contagious disease that can lead to pneumonia, seizures, brain damage and death. Mumps is a viral infection characterized by swelling of the salivary glands near the neck. It can lead to deafness, meningitis, painful swelling of the testicles or ovaries, and, rarely, death. You ll need at least one dose. In addition, pregnant women should not be immunized, and women of childbearing age should avoid becoming pregnant for three months after the immunization.