Robert F. Kennedy Jr. defended his tenure as the nation’s top health official during a contentious Senate hearing Thursday, snapping back at lawmakers who pressed him on recent upheaval at the Centers for Disease Control and Prevention and changes to vaccine policy.

During roughly three hours of testimony, the Health and Human Services (HHS) secretary repeated vaccine misinformation, attacked the CDC, and offered differing explanations on his vision for remaking the agency.

Through shouting matches with lawmakers, Kennedy made clear his work to upend the health establishment isn’t slowing down.

Here are the key takeaways.

Key Republicans question his vaccine moves

Republican senators have largely been deferential to Kennedy, as they have with almost all of President Trump’s Cabinet.

See Full Page