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Before international travel: Make sure you’re protected against measles
Centers for Disease Control and Prevention
The best way to protect yourself and your loved ones from measles is by getting vaccinated. You should plan to be fully vaccinated at least 2 weeks before you depart. If your trip is less than 2 weeks away and you’re not protected against measles, you should still get a dose of MMR vaccine. The measles-mumps-rubella (MMR) vaccine protects against all 3 diseases. Two doses of MMR vaccine provide 97% protection against measles; one dose provides 93% protection.