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.

With 30 new cases reported, the measles outbreak in Texas has recorded 309 cases. The current outbreak has reported more cases than recorded throughout the United States last year. Health authorities stated that almost every reported infection occurred in ...

Measles cases in southwest Utah and northwest Arizona have slowed down slightly with 31 new infections reported over the past two weeks.

The CDC has confirmed 1,723 measles cases as of Nov. 12 — a more than 500% increase from 2024, when 285 U.S. cases were confirmed. The measles outbreak has progressively worsened. Nearly every state has reported measles cases, except for Connecticut ...

Early measles vaccination in Texas increased significantly in early 2025, following CDC's updated guidelines amid a large outbreak. Researchers used Truveta Data to analyze vaccination patterns, noting a sharp rise in early vaccinations from February to ...

COLUMBIA, S.C. — South Carolina Department of Public Health officials reported eight new measles cases, increasing the total number of cases in the state to 46. Officials have confirmed that six of the eight new cases are connected to previous patients ...

An outbreak of measles on the Arizona-Utah border continues to grow, with the latest data showing 201 cases and eight hospitalizations.