Protects Against:
* Measles- airborne illness, can be serious, ⅕ people need to be hospitalized today, 1/1000 people with measles develop complication where the membranes around brain swell up, compromising to the brain, cognitive impairment, 1-3/1000 die even with the best of care
* Mumps- 200,000 cases a year with 20-30 deaths before treatment, infection in parodied glands by jaw where they swell up very large, flu like symptoms, muscle aches and pains, rare complication: mumps infect testicles, and when that happens it can cause sterility (very rare)
* Rubella- taratogen, about 30,000 stillbirths in the 1960’s, about 20,000 children born w significant problems including cognitive impairment, damage to auditory system, deafness