US Health and Human Services Secretary Robert F. Kennedy Jr. testified Thursday in perhaps the most combative congressional hearing of 2025 .

He appeared in front of the Senate Finance Committee amid a growing storm engulfing his department — including the recent firing of the Centers for Disease Control and Prevention director who had been confirmed less than a month earlier, a series of moves that could limit vaccine access and the canceling of $500 million in research into mRNA vaccines .

It’s all led even some Republicans to raise alarms about what’s happening at HHS. And on Thursday, some of those Republicans and many Democrats had a chance to register their concerns and try and adjust Kennedy’s course.

Here are five takeaways from the hearing.

1. Senators tried to pit Ken

See Full Page