The Brief

Robert F. Kennedy Jr. is facing questions by the Senate Finance Committee on Thursday.

Kennedy has amended vaccine guidelines and fired CDC Director Susan Monarez.

Health and Human Services Secretary Robert F. Kennedy Jr. is appearing before a congressional committee on Thursday.

The Senate Finance Committee has called Kennedy, a longtime leader in the anti-vaccine movement, to a hearing about his plans to "Make America Healthy Again."

RELATED: RFK Jr. pledges HHS will determine cause of autism by September

But Kennedy is expected to face questions from the committee about layoffs and planned budget cuts that critics say are damaging the nation’s ability to prevent disease.

Kennedy recently fired Susan Monarez, a longtime government scientist he installed as the CDC

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