Health and Human Services Secretary Robert F. Kennedy Jr. is testifying before the Senate finance committee Thursday.

The hearing comes a week after Kennedy pressured the brand-new Centers for Disease Control and Prevention Director, Susan Monarez, to resign, and when she refused, the White House fired her. Three top CDC officials then resigned in protest .

The hearing's stated focus is the president's 2026 health care agenda and Kennedy's goal to Make America Healthy Again. But expect a lot of questions for Secretary Kennedy about CDC leadership in disarray, his moves to overhaul federal vaccine policy, and growing calls for his resignation, including from more than a thousand current and former HHS staff .

Here are three things to know going into the hearing.

Watch RFK Jr. testif

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