Michigan and Pennsylvania officials confirmed measles outbreaks this week. U.S. measles cases topped 700 as of Friday including more than 560 in Texas.

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

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

As health secretary, Mr. Kennedy has failed to help control the measles outbreak in and around Texas, which has ballooned to ...

Michigan officials confirmed a new measles outbreak Thursday near Grand Rapids, bringing the U.S. to seven states with active outbreaks of the vaccine-preventable disease. Last week, U.S. measles ...

Canada has reported more than 730 cases this year, making this one of the worst measles outbreaks in the country since it declared the virus “eliminated” in 1998. Mexico has seen at least 360 measles ...

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

A CDC senior scientist provided an update on the measles outbreak on Tuesday, while taking reporter questions about the agency's response.

Measles cases have surpassed 650 in an ongoing multistate outbreak, but federal funding cuts could threaten the response.

Here's what to know about whooping cough amid the growing cases.

Kansas health officials confirmed five new cases of measles Wednesday in an outbreak in the southwest corner of the state that's linked to Texas and New Mexico.

The Centers for Disease Control and Prevention (CDC) is struggling to keep up with requests for help from states responding ...