Measles Outbreak (2025/2026)

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From CDC: As of March 12, 2026, 1,362 confirmed* measles cases were reported in the United States in 2026. Among these, 1,353 measles cases were reported by 31 jurisdictions: Alaska, Arizona, California, Colorado, Florida, Georgia, Idaho, Illinois, Kentucky, Maine, Massachusetts, Minnesota, Missouri, Nebraska, New Mexico, New York City, New York State, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Texas, Utah, Vermont, Virginia, Washington, and Wisconsin. A total of 9 measles cases were reported among international visitors to the United States.

There have been 14 new outbreaks** reported in 2026, and 94% of confirmed cases (1,281 of 1,362) are outbreak-associated (256 from outbreaks starting in 2026 and 1,025 from outbreaks that started in 2025).

For the full year of 2025, a total of 2,284 confirmed* measles cases were reported in the United States. Among these, 2,259 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 (2,062 of 2,284) were outbreak-associated. For comparison, 16 outbreaks were reported during 2024 and 69% of cases (198 of 285) were outbreak-associated.