Oklahoma health officials reported two cases of measles in the state while Vermont officials confirmed one case of the virus ...

A measles outbreak in Texas has infected over 250 people as of Friday, as cases of the highly contagious illness have been ...

Nearly 3 million Americans who live in mostly rural counties lack both health care and reliable high-speed internet, ...

It’s been five years since COVID-19 arrived in the U.S., and in that time, adults age 50 and older have accounted for roughly 94 percent of the 1.2-plus million American deaths.

The number of measles cases associated with an outbreak in western Texas has grown to 259, according to new data released ...

The case in Stevens County, Kansas, is the first confirmed case of measles in Kansas since 2018, officials said.

Former CDC director Dr. Rochelle Walensky called for stronger, nationwide guidance on infant measles vaccine doses in a new opinion paper published Friday.

In a meeting last month, he reportedly told one senator that routine childhood vaccines were exposing kids to dangerous ...

Robert F. Kennedy Jr.’s failure to install a fellow vaccine critic to a key government post is testing the limits of how far the US health secretary can go to promote his public-health agenda.

RFK Jr. has claimed measles can be treated with vitamin A and that severe infection is linked to poor diet. But many experts who spoke with ABC News disagreed.

The White House abruptly withdrew Dr. Dave Weldon's nomination to lead the CDC, canceling his confirmation hearing.