Measles is a highly contagious respiratory illness spread by contact with an infected person through coughing and sneezing.

Here’s what to know about the current measles outbreak, how common the measles is in the U.S., how it spreads and what the symptoms and treatment are.

Many doctors have never seen measles in person. The Texas outbreak is reshaping how health systems prepare for drops in vaccinations.

Gaines County is a vast, flat expanse far in the west of Texas: more than 1,500 square miles of sparsely populated farmland.

Known for his anti-vaccination stance, the new US Secretary of Health is facing his first challenge: Curbing the mainly Texas ...

Colorado hasn't had any cases of measles yet this year, but with a large outbreak in Texas that has spread to New Mexico, the ...

Just over the president’s shoulder you may have spotted a small, handwritten sign. It read, “This is NOT Normal,” in black ink.

The U.S. is dealing with a measles outbreak, including one in New Jersey and new cases in New York City. See what the measles look like here.

Measles is highly contagious and can spread from one person to nine out of 10 people close to them, according to the CDC, ...

The number of measles cases associated with an outbreak in Texas has increased to 159 -- an increase of 13 cases in the past ...