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

A measles outbreak in parts of Utah and Arizona not far from Las Vegas has grown to over 130 cases, according to public health officials in both states.

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

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

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

Just as one large measles outbreak peters out in the United States, another outbreak of the virus has taken off along the ...

A deadly measles outbreak in Texas ended in August, but outbreaks in other parts of the United States continue to add ...

A measles outbreak along the Utah-Arizona border, infecting over 100 people, pushes the US closer to losing its elimination ...

Measles, a highly contagious virus, was declared eliminated in the United States in 2000, but it has resurged in recent months.

A growing measles outbreak along the Utah-Arizona border has spread to nearby communities, making it the nation's ...

A measles investigation amid a large, ongoing outbreak at the Arizona-Utah border has hit a roadblock as the first probable case identified in the Salt Lake City area refuses to work with health ...

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