How can I prevent measles?

Immunization is the best prevention for measles. The measles vaccine is very effective. One dose of the measles vaccine is about 93 percent effective at preventing measles. Two doses are about 97 percent effective, according to the Centers for Disease Control and Prevention.

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1. What places have been identified as exposure sites?
2. What is measles?
3. What are the symptoms of measles?
4. How contagious is measles?
5. What should I do if I think I have the measles?
6. How serious is measles?
7. How can I prevent measles?
8. How many doses of the measles vaccine do I need?
9. How common is measles?
10. How is measles treated?