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Am I Protected Against Measles?

The CDC considers you protected from measles if you have written documentation (records) showing at least one of the following:

  • You received two doses of measles-containing vaccine, and you are a(n) —
    • school-aged child (grades K-12)
    • adult who will be in a setting that poses a high risk for measles transmission, including students at post-high school education institutions, healthcare personnel, and international travelers.
  • You received one dose of measles-containing vaccine, and you are a(n) —
    • preschool-aged child
    • adult who will not be in a high-risk setting for measles transmission.
  • A laboratory confirmed that you had measles at some point in your life.
  • A laboratory confirmed that you are immune to measles.
  • You were born before 1957.

For international travelers, CDC considers you protected from measles if you have written documentation (records) showing at least one of the following:

  • You received one dose of measles-containing vaccine, and you are an infant aged 6–11 months
  • You received two doses of measles-containing vaccine, and you are a person 12 months or older
  • A laboratory confirmed that you had measles at some point in your life
  • A laboratory confirmed that you are immune to measles
  • You were born before 1957
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