Measles activity is rising nationwide, with nearly half of states reporting new cases in 2024, CDC data shows.
The agency has confirmed 167 measles cases nationwide as of July 11. This tally is nearly triple the 58 total cases seen in 2023.
While the risk for widespread measles transmission remains low, the rapid increase in cases this year "represents a renewed threat to elimination," the CDC said April 11.
The following 23 states have reported measles cases since Jan. 1:
- Arizona
- California
- Florida
- Georgia
- Illinois
- Indiana
- Louisiana
- Maryland
- Michigan
- Minnesota
- Missouri
- New Hampshire
- New Jersey
- New Mexico
- New York
- Ohio
- Oregon
- Pennsylvania
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
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