In Arizona and Utah, an outbreak has ballooned since August. Mohave County, Arizona has logged 172 cases and the Southwest ...

Some students who remain unvaccinated are now in a second 21-day quarantine since the beginning of the school year.

Colorado City High football teams is caught in the crossfire of a measles outbreak, government skepticism and vaccine ...

Arizona reported only three new cases this week in the country's second-largest measles outbreak. Is the end near?

An unvaccinated child in Montezuma County recently tested positive for measles. The child hadn’t traveled out of state or ...

The new measles cases bring South Carolina ’ s total this year to 87 cases, 84 of which are related to the outbreak in the ...

For the first time in decades, the US may lose a designation indicating that outbreaks are rare and rapidly contained.

The number of confirmed measles cases in Utah have surpassed 100, with state health officials reporting 102 as of Nov. 25, ...

Measles cases in southwest Utah and northwest Arizona have slowed down slightly with 31 new infections reported over the past two weeks.