It’s unclear. The current outbreak in Upstate South Carolina stemmed from two cases with no history of travel or identified ...

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

The outbreak shows no signs of slowing, likely because of the affected area’s “lower-than-hoped-for vaccination coverage,” a ...

Of 111 measles cases reported in the state's northwest region, 105 people were unvaccinated and 3 were partially vacinnated, ...

South Carolina health officials say a measles outbreak is growing amid holiday travel and low vaccination rates, and they ...

Measles outbreaks are growing along the Utah-Arizona border and in South Carolina, where hundreds are in quarantine.

South Carolina is the latest state to see a serious measles outbreak, as the U.S. has registered its highest number of cases ...

Measles outbreaks are spreading across the U.S., and the nation is likely to lose its status as a country where the disease ...

As multiple measles outbreaks simmer across the United States, cases are accumulating nearly as quickly as when the West Texas outbreak was at its peak this spring.

One study estimates that an outbreak the size of the one in West Texas earlier this year costs about $12.6 million.

A doctor has accused Robert F. Kennedy Jr., the secretary of the Department of Health and Human Services, of downplaying a measles outbreak in Texas by saying outbreaks are "not unusual" in the United ...

Nine schools and a church have been identified as sources of measles exposure amid a measles outbreak that officials say is ...