Measles
Explore this page to learn more about measles, updates, resources, and recent news.
About Measles
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As of May 29, 2025, a total of 1,088 confirmed* measles cases were reported by 33 jurisdictions: Alaska, Arkansas, California, Colorado, Florida, Georgia, Hawaii, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Missouri, Montana, Nebraska, New Jersey, New Mexico, New York City, New York State, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, Tennessee, Texas, Vermont, Virginia, and Washington.
There have been 14 outbreaks** reported in 2025, and 90% of confirmed cases (977 of 1,088) are outbreak-associated. For comparison, 16 outbreaks were reported during 2024 and 69% of cases (198 of 285) were outbreak-associated.
The GCHS, in collaboration with the Region VII Disaster Health Response Ecosystem (R7DHRE) conducts biweekly meetings with local and state public health and healthcare representatives. These meetings focus on reviewing and discussing recent developments related to current infectious disease challenges. Dr. James V. Lawler, MD, MPH, FIDSA, presents comprehensive updates on data and advancements at local, state, national, and international levels. Register here.