Prominent adviser to RFK Jr. will serve as acting CDC director after Susan Monarez firing: report

The CDC has not made any comment about the report at this time.

Published: August 28, 2025 5:57pm

Jim O'Neill, a top adviser to Health and Human Services Secretary Robert F. Kennedy Jr., will be the acting director of the Centers for Disease Control and Prevention, according to The Associated Press.

This report comes one day after former CDC Director Susan Monarez was fired by the Trump administration.

The CDC has not made any comment about the report at this time.

Monarez was confirmed to the position in a party-line Senate vote in late July but had been serving as the agency's acting head since January.

White House Press Secretary Karoline Leavitt said she was fired because she wasn't "aligned with the president's mission."

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