A Boulder County resident has contracted the measles, according to the Colorado Department of Public Health and Environment.

About three dozen of the nearly 1,200 measles infections in 2025 have been in people with two measles vaccine doses, the CDC ...

The CDPHE said 2025 marks the highest increase and confirmation of reported measles cases in Colorado since 2014. Officials ...

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

DENVER (KDVR) — Two new measles cases have been announced in Colorado, this time in El Paso and Arapahoe counties.

The U.S. is up to 1,197 confirmed measles cases this year. Arizona declared a new outbreak last week, while the one in Texas, ...

People who visited parts of Denver, Aurora, Greenwood Village and Evergreen last week and weekend may have been exposed, officials said.

An unvaccinated adult in Pueblo, Colorado, contracted measles after traveling to Mexico. This marks Colorado's first measles case of 2024, adding to approximately 500 cases nationwide. Anyone ...

The two adults were at the Denver International Airport around the same time on May 14 when an out-of-state traveler flew while infectious.

There are now two cases of measles in Colorado this year. The second case is a child under the age of 1 in Denver who recently traveled. Health officials said Monday they confirmed the case in an ...