Robert F. Kennedy Jr.’s failure to install a fellow vaccine critic to a key government post is testing the limits of how far ...

Kennedy Jr., an ardent vaccine critic who would have been Weldon’s boss as health secretary. Perhaps Weldon’s biggest problem ...

There sat Robert F. Kennedy Jr., the nation's top health official, at a Steak 'n Shake with Fox News host Sean Hannity, ...

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.

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

The number of measles cases continues to rise as Health Secretary Robert F. Kennedy Jr. casts doubts on vaccines and suggests ...

Measles outbreaks in West Texas and New Mexico now have nearly 300 cases in total. Two unvaccinated people have died from ...

A month into his role as health and human services secretary, Robert F. Kennedy Jr.'s moves on vaccines have worried health ...

Measles is an extremely contagious vaccine-preventable disease that can lead to death or disability. It also wipes out immune ...

Hours before his scheduled Senate confirmation, the White House has withdrawn the nomination of Dr. Dave Weldon to le ...