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

The White House withdrew Dave Weldon's nomination to lead the CDC amid concerns over his past anti-vaccine views.

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

Donald Trump's health secretary vowed to “Make America Healthy Again" but has delivered an inconsistent message that has ...

Bill Cassidy said RFK Jr. pledged to keep communication lines wide open and to consult with the senator on vaccine policy.

Republican lawmakers may not have considered avowed anti-vaxxer and conspiracy theorist Robert F. Kennedy Jr. to be too ...

The Centers for Disease Control and Prevention (CDC) will be conducting its own study into whether vaccines cause autism, ...

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.

Dr. Dave Weldon, who was Trump's choice for the head of the CDC, has taken a controversial stance on vaccines and autism. Here's what to know ...

In a letter to Robert F. Kennedy Jr., 100 former CDC employees say due process was not followed in firing them and seek reinstatement.

Health Secretary Robert F. Kennedy Jr. spread a confusing message about the measles vaccine during an interview on Fox News.

Experts say vitamin A can mitigate measles but does not protect those who are unvaccinated from getting the disease, and RFK ...