CDC is a critical part of the U.S. government-wide effort to promote global health security. See a list of current outbreaks and outbreak-related resources.

Dec 11, 2025 · The United States is facing its second surge in measles cases. Large outbreaks in Utah, Arizona and South Carolina are continuing to grow. CNN is tracking the cases.

Dec 11, 2025 · Measles Outbreaks Accelerate as U.S. Inches Closer to a Disease Tipping Point More than 1,900 people, mostly children, have been sickened by measles in the U.S. in 2025.

Oct 13, 2025 · Nearly two months after a deadly, massive measles outbreak in Texas was declared over, the highly contagious disease continues to spread across the country.

3 days ago · Measles outbreaks worsen states as 42 report cases, raising hospitalization and exposure risks across U.S. hospitals and threatening elimination status.

Mar 5, 2025 · The AMA Update covers a range of health care topics affecting the lives of physicians and patients. Learn more about the latest outbreaks, vaccine news and more.

4 days ago · Measles outbreaks are growing along the Utah-Arizona border and in South Carolina, where hundreds are in quarantine. Between Friday and Tuesday, South Carolina health officials …

3 days ago · As measles continues to spread in the United States, it’s likely that the outbreaks that broke records in 2025 will continue into the new year. In South Carolina, 168 people, mostly ...

5 days ago · CDC is creating models to show how measles outbreaks could occur and spread in the United States. These models can be used to help health departments better identify communities at …

Apr 15, 2025 · The cumulative cases map includes measles cases reported for each county in the United States since January 1, 2025, revealing the relative scale of the outbreaks across states.