10/09/2026
๐๐ ๐๐๐๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐๐๐๐๐ - CASES INCREASE BY NEARLY 200
Among these, 4,062 measles cases were reported by 47 jurisdictions: Alabama, Alaska, Arizona, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, 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, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, and Wyoming. A total of 18 measles cases were reported among international visitors to the United States.
There have been 42 new outbreaks** reported in 2026, and 96% of confirmed cases (3,897 of 4,080) are outbreak-associated (2,513 from outbreaks starting in 2026 and 1,384 from outbreaks that started in 2025).
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๐จ๐ซ ๐ญ๐ก๐ ๐๐ฎ๐ฅ๐ฅ ๐ฒ๐๐๐ซ ๐จ๐ ๐๐๐๐, ๐ ๐ญ๐จ๐ญ๐๐ฅ ๐จ๐ ๐,๐๐๐ ๐๐จ๐ง๐๐ข๐ซ๐ฆ๐๐* ๐ฆ๐๐๐ฌ๐ฅ๐๐ฌ ๐๐๐ฌ๐๐ฌ ๐ฐ๐๐ซ๐ ๐ซ๐๐ฉ๐จ๐ซ๐ญ๐๐ ๐ข๐ง ๐ญ๐ก๐ ๐๐ง๐ข๐ญ๐๐ ๐๐ญ๐๐ญ๐๐ฌ. 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 26 measles cases were reported among international visitors to the United States.
There were 48 outbreaks** reported in 2025, and 90% of confirmed cases (2,066 of 2,289) were outbreak-associated. For comparison, 16 outbreaks were reported during 2024 and 69% of cases (198 of 285) were outbreak-associated.
*CDC is aware of probable measles cases being reported by jurisdictions. However, the data on this page only includes confirmed cases jurisdictions have notified to CDC.
**CDC reports the cumulative number of measles outbreaks (defined as 3 or more related cases) that have occurred this year in the U.S.; states have the most up-to-date information about cases and outbreaks in their jurisdictions.