The outbreak, centered in the former polygamist Mormon area of Short Creek, is the state's biggest in decades.

The second-largest measles outbreak in the U.S. this year continues to expand, with 13 new cases confirmed this week.

On Wednesday, the Colorado Department of Public Health and Environment announced four additional Mesa County measles cases, including three who traveled and one person they infected directly.

The nation's second largest measles outbreak this year is now spreading beyond its epicenter along the Utah-Arizona border.

Years after the reign of Warren Jeffs, the Short Creek community on the Utah-Arizona border is focused on rebuilding. Missed ...

Now, water treatment utilities and public health officials are joining forces to track, and for the first time in Colorado, ...

An outbreak of measles at the Arizona-Utah border has grown to 123 cases and seven hospitalizations, new data shows.

At least 123 people have been infected in a growing measles outbreak about 160 miles from Las Vegas along the Utah-Arizona ...

Over 100 measles cases surge in Utah and Arizona as declining vaccination rates and exemptions spark concerns over the return ...

Arizona's biggest measles outbreak in decades is in a small Arizona town trying to move past its infamous polygamist prophet.

A measles outbreak in Mohave County along the Arizona-Utah border continues to grow. It’s become the region’s largest such ...

A small religious town on Utah state lines has the lowest vaccination rates. It's contributing to a measles outbreak. Hildale ...