Measles Cases and Outbreaks

CDC updates this page monthly.

Measles cases in 2021

As of July 9, 2021, two cases of measles were confirmed in 1 jurisdiction.*

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

Number of measles cases reported by year

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

*Case count is preliminary and subject to change.

travel icon

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: