Measles Outbreak (2025/2026)

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From CDC: As of February 5, 2026, 733 confirmed* measles cases were reported in the United States in 2026. Among these, 727 measles cases were reported by 20 jurisdictions: Arizona, California, Florida, Georgia, Idaho, Kentucky, Minnesota, Nebraska, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Utah, Virginia, Washington, and Wisconsin. A total of 6 measles cases were reported among international visitors to the United States.

There have been 2 new outbreaks** reported in 2026, and 92% of confirmed cases (671 of 733) are outbreak-associated (9 from outbreaks in 2026 and 662 from outbreaks that started in 2025).

For the full year of 2025, a total of 2,267 confirmed* measles cases was reported in the United States. Among these, 2,242 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 49 outbreaks** reported in 2025, and 89% of confirmed cases (2,020 of 2,267) are outbreak-associated. For comparison, 16 outbreaks were reported during 2024 and 69% of cases (198 of 285) were outbreak-associated.

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