Of those infected across the U.S., 97% of cases came from those who are unvaccinated or whose vaccination status is unknown.

The measles rash usually doesn’t appear for more than a week after someone has been exposed. Other symptoms are better early ...

A new study warns that the U.S. could see millions of new measles cases over the next 25 years if vaccination rates continue ...

Measles is caused by a highly contagious virus that’s airborne and spreads easily when an infected person breathes, sneezes ...

Republicans are far more skeptical of vaccines and twice as likely as Democrats to believe the measles shot is worse than the ...

A Los Angeles County resident tested positive for measles after traveling to Texas, according to the Department of Public ...

A fifth case of measles is now confirmed in Colorado. It's the third case in Denver. An adult got measles after traveling to ...

The number of measles cases in the U.S. has risen to 884, according to new Centers for Disease Control and Prevention data ...

Measles has been confirmed in a Los Angeles County resident who recently returned from Texas, health officials said Friday.

Measles, once virtually wiped out in the United States, could become commonplace again if declining vaccination rates ...

Measles could become endemic in the United States if routine childhood vaccination rates continue to decline, with up to 51 ...

"There really shouldn't be any cases at this point, because these diseases are preventable," said epidemiologist Mathew Kiang ...