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Dr. Jeanne Marrazzo, who was on administrative leave, alleged that the Trump administration had defied court orders and undermined vaccine research.
Oct. 2, 2025, 6:27 p.m. ET
Three weeks after a leading scientist at the National Institutes of Health filed a whistle-blower complaint against the Trump administration, Health Secretary Robert F. Kennedy fired her, according to her lawyer and a copy of the termination letter.
Her dismissal was the latest in a series of steps the Trump administration has taken against government scientists and environmental experts after they warned that administration policies were endangering public health and safety.
In her complaint, the scientist, Dr. Jeanne Marrazzo, who had directed the National Institute of Allergy and Infectious Diseases, objected to Trump administration actions, alleging that they had endangered research subjects, defied court orders and undermined vaccine research.
After Dr. Marrazzo raised concerns internally earlier this year, the complaint said, she was placed on involuntary administrative leave, though not fired.
Dr. Marrazzo said on Thursday that she received notice of her firing from Mr. Kennedy this week, in a letter dated Sept. 26.
