Measles Cases and Outbreaks
Source: https://www.cdc.gov/measles/cases-outbreaks.html
Measles cases in 2024
As of January 25, 2024, a total of 9 measles cases were reported by 4 jurisdictions: Georgia, Missouri, New Jersey, and Pennsylvania
Measles cases in 2023
During January 1-December 31, 2023, a total of 58 measles cases were reported by 20 jurisdictions: California, Colorado, District of Columbia, Florida, Hawaii, Idaho, Illinois, Kentucky, Maryland, Missouri, New Jersey, New York City, Ohio, Oregon, Pennsylvania, Texas, Utah, Virginia, Washington, and Wisconsin.
Measles cases in 2022
From January 1 to December 31, 2022, a total of 121 measles cases were reported by 6 jurisdictions. *
Measles cases in 2021
From January 1 to December 31, 2021, a total of 49 measles cases were reported by 5 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
- From January 1 to December 31, 2019, 1,274* individual cases of measles were confirmed in 31 states.
- This is the greatest number of cases reported in the U.S. since 1992. The majority of cases were among people who were not vaccinated against measles. Measles is more likely to spread and cause outbreaks in U.S. communities where groups of people are unvaccinated.
- For more information please see the following reports:
- Increase in Measles Cases – United States, January 1-April 26, 2019 MMWR. May 3, 2019
- National Update on Measles Cases and Outbreaks – United States, January 1-October 1, 2019. MMWR. October 11, 2019
Measles Outbreak Factsheet
Last Reviewed: January 26, 2024
Source: National Center for Immunization and Respiratory Diseases, Division of Viral Diseases