Iowa status as of December 9, 2025:
- First case of measles reported in Iowa on 5/23/25.
- Iowa has identified 8 cases of measles in 2025.
- Prior to 2025, Iowa identified 2 cases of measles in 2019.
Find the latest from Iowa HHS here.
National landscape: As of December 16, 2025, a total of 1,958 confirmed measles cases were reported in the United States. Among these, 1,934 measles cases were reported by 44 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 Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, Wisconsin, and Wyoming. A total of 24 measles cases were reported among international visitors to the United States. Find the latest CDC numbers here.
What you should know about measles:
Click here to view the measles fact sheet
Click here to learn more about symptoms and what to watch for
Do you need a measles vaccine? The best prevention for measles is the measles, mumps, and rubella (MMR) vaccine. Click here to view the measles vaccine recommendation summary.