FDA drug center’s new acting director fits a pattern of risky, internal contradictions among agency leadership Tracy Beth Høeg’s higher bar for vaccines than stem cells or peptides is in keeping with RFK Jr.

https://www.statnews.com/2025/12/09/fda-contradictions-deepen-tracy-hoeg-vinay-prasad-marty-makary/ By Paul KnoepflerDec. 9, 2025 Knoepfler is a professor of cell biology and human anatomy at UC Davis School of Medicine.