Key Takeaways

Dr. Ralph Abraham, who has questioned vaccine safety and stopped Louisiana’s mass vaccination efforts, is now the CDC’s principal deputy director

Public health leaders say his past decisions raise concerns about emergency response

Scientific evidence continues to show vaccines prevent severe illness and save lives, despite claims made by Abraham

MONDAY, Dec. 1, 2025 (HealthDay News) — A Louisiana physician who has questioned vaccine safety and halted his state’s vaccination campaigns in the past is now serving in one of the top roles at the U.S. Centers for Disease Control and Prevention (CDC).

Dr. Ralph Abraham , a former congressman and Louisiana’s surgeon general in 2024, discretely began his position as the CDC’s principal deputy director on Nov. 23, according to th

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