Arizona health officials say there are four confirmed linked measles cases, making it another state with an outbreak.

The U.S. logged fewer than 30 measles cases this week as Ohio health officials confirmed three outbreaks in two counties were ...

Four measles cases have been confirmed in unvaccinated individuals in Navajo County, Arizona, after international travel exposure.

An El Paso County child and an Arapahoe County adult caught the measles from two separate outbreaks, bringing Colorado’s ...

Measles has been rising globally in recent years. There were an estimated 10.3 million cases worldwide in 2023, a 20% ...

A Boulder County resident who recently traveled to Europe returned with measles, becoming the state’s 15th case this year.

The state’s public health department urges anyone who may have been exposed or who is experiencing symptoms to contact their healthcare provider immediately.

The U.S. Centers for Disease Control and Prevention (CDC) updated its guidance last week to recommend measles-mumps-rubella (MMR) shots for all international travelers, the Associated Press reported.

All four are unvaccinated and have a history of recent international travel. Colorado has seen a total of 14 measles cases in 2025, which includes one outbreak of eight related cases. The outbreak is ...

The Colorado Department of Public Health and Environment (CDPHE) on Monday announced two additional cases of measles, ...