Measles Outbreak

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From CDC: As of May 14, 2026, 1,893 confirmed* measles cases were reported in the United States in 2026. Among these, 1,884 measles cases were reported by 40 jurisdictions: Alaska, Arizona, California, Colorado, District of Columbia, Florida, Georgia, Idaho, Illinois, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Jersey, New Mexico, New York City, New York State, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Texas, Utah, Vermont, Virginia, Washington, Wisconsin, and Wyoming. A total of 9 measles cases were reported among international visitors to the United States.

There have been 27 new outbreaks** reported in 2026, and 93% of confirmed cases (1,761 of 1,893) are outbreak-associated (459 from outbreaks starting in 2026 and 1,302 from outbreaks that started in 2025).

For the full year of 2025, a total of 2,288 confirmed* measles cases were reported in the United States. Among these, 2,263 measles cases were reported by 45 jurisdictions: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Jersey, New Mexico, New York City, New York State, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, Wisconsin, and Wyoming. A total of 25 measles cases were reported among international visitors to the United States.

There were 48 outbreaks** reported in 2025, and 90% of confirmed cases (2,065 of 2,288) were outbreak-associated. For comparison, 16 outbreaks were reported during 2024 and 69% of cases (198 of 285) were outbreak-associated.

Map of measles

A map of the United States showing confirmed measles cases. Explore the CDC Measles webpage.

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