Measles Cases and Outbreaks

CDC updates this page monthly.

Measles cases in 2021

As of November 18, 2021, a total of 47 measles cases were reported by 4 jurisdictions.*

Measles cases in 2020

From January 1 to December 31, 2020, 13 individual cases of measles were confirmed in 8 jurisdictions.*

*Jurisdictions refer to any of the 50 states, New York City, and the District of Columbia.

Measles cases in 2019

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Did you know that measles can be found around the world?

Global Measles Outbreaks

Number of measles cases reported by year

2010-2020* (as of December 31, 2020)

*Case count is preliminary and subject to change.

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Make sure you are vaccinated against measles before traveling internationally.

Measles outbreaks

In a given year, more measles cases can occur for any of the following reasons:

  • an increase in the number of travelers who get measles abroad and bring it into the U.S., and/or
  • further spread of measles in U.S. communities with pockets of unvaccinated people.

For specific information on measles cases in recent years please see the following reports:

Page last reviewed: November 19, 2021