Greene reposted a video of Robert F. Kennedy Jr., who Trump has nominated as the next secretary of the Department of Health and Human Services. In the video, Kennedy reiterated his previous claims that vaccines cause autism.

In a post to X which was, shortly after, hit with a corrective community note, Greene wrote, “I fully believe vaccines cause Autism. It’s another example of crimes against humanity. And innocent babies, children, and their families are the victims."

As one observer noted, Greene’s belief about the supposed dangers of vaccines ‘is not too far from the stated views of the president-elect and his incoming HHS secretary’ RFK Jr