As new cases are reported, our maps and illustrations show the spread of the virus and how infections can run through a ...

In efforts to prevent even broader spread, public health officials in Texas, New Mexico and Oklahoma are working around the ...

Officials are hoping to get vaccination rates back up. On Thursday, Colorado state officials sent messages and emails to ...

Measles cases were reported in Orange County and LA County — an infant returning from international travel on Feb. 19, and a ...

Cases of the incredibly contagious measles virus are continuing to rise in Texas and across the US as the nation's top health ...

“Infected people are contagious from 4 days before the rash starts through 4 days afterward. The incubation period for measles, from exposure to fever, is usually about 7-10 days, and from exposure to ...

Europe saw the highest number of measles cases last year in more than 25 years, according to a new report published Thursday ...

The World Health Organization and CDC both shared that if you have measles, you could potentially infect 9 out of 10 people you come in close contact with.

State and county officials say a Stevens County resident has tested positive for measles and that they don't yet know if the infection is linked to outbreaks elsewhere in the country.

Texas still maintains the highest number of cases, mostly in young unvaccinated children, but cases are creeping closer to ...

Wisconsin kindergartners have one of the lowest vaccination rates in the country against measles, which can cause serious illness in young kids.