State and local health officials are urging individuals to receive MMR vaccine as Texas reaches 124 cases this week. Here is what we know.

The measles outbreak in rural West Texas has grown to 124 cases across nine counties, the state health department said Tuesday, and 18 people are hospitalized.

"I've never seen it this close, ever. I know that we've had a few outbreaks in years past but as far as right here, making national news, that is shocking," said one mayor.

Measles rash pictures can help identify symptoms as the illness spreads. Know first signs, what a measles rash looks like and ...