Texas is driving the highest numbers. An outbreak in West Texas that started nearly three months ago has reached 597 cases.

Since late January, Texas has seen its largest measles outbreak in years, with a majority of cases centered in West Texas.

The Texas Department of State Health Services on Friday, reported 597 measles cases in the state since late January, an ...

Texas health data released Friday shows an outbreak of measles in the West Texas region has surged to 597 cases.

There have been 800 confirmed cases of measles across 25 states so far this year, according to the latest update from the CDC ...

A measles outbreak has been declared in Pennsylvania. Earlier this week, the Erie County Health Department confirmed two additional cases of measles.

As measles cases in West Texas are still on the rise two months after the outbreak began, local public health officials say they expect the virus to keep spreading for at least several more months ...

State health officials said fewer than 30 of the cases identified by the state were considered "actively infectious." ...

The measles outbreak has resulted in the hospitalization of 58 patients and the deaths of two non-vaccinated children.

Before the vaccine, the virus spread in a world very different from today’s.

As measles outbreaks popped up across the U.S. this winter, pediatricians waited for the nation's public health agency to ...