Bill Nye the Science Guy once had to block Health Secretary RFK Jr. after he sent “miles and miles” of anti-vaccination texts to his phone, he recalled in a recent interview.

Health Secretary Robert F. Kennedy Jr. apparently embraces the outdated "miasma theory" of disease instead of the widely accept "germ theory" of disease, which may help explain some of the actions he's been taking.

Secretary of Health and Human Services Robert F. Kennedy Jr. made several false claims about vaccines in a Thursday appearance on Fox News.

Rob Lucero says he wants to fill a leadership vacuum that he says both the Democratic and Republican parties are experiencing.

A document the Department of Health and Human Services sent to lawmakers to support Secretary Robert F. Kennedy Jr.’s decision to change U.S. policy on covid vaccines cites scientific studies that are unpublished or under dispute and mischaracterizes others.

Staff who provide data to the vaccine panel have been pushed aside, according to health officials, raising doubts about the availability of coronavirus and other vaccines.

Robert F. Kennedy Jr., the health secretary, dismissed 17 scientific advisers to the C.D.C. Critics fear newly appointed members will roll back vaccine recommendations.