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.

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

Years after the reign of Warren Jeffs, the Short Creek community on the Utah-Arizona border is focused on rebuilding. Missed vaccines were low on the list of priorities, until now.

FILE - This Nov. 15, 2010 file photo shows polygamous sect leader Warren S. Jeffs appearing in court in West Jordan, Utah. An attorney for local law enforcement in Hildale, Utah, and Colorado City, ...

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

Critics accused Sen. Mike Lee of xenophobia and racism after the Utah Republican reposted a news story Monday about a local ...