Health

FILE - A sign marks the entrance to the U.S. Centers for Disease Control and Prevention headquarters Wednesday, Aug. 27, 2025, in Atlanta. (AP Photo/Brynn Anderson, File)

A Sell By date is stamped on package of cheese displayed at Park Plaza Fine Foods, Tuesday, June 30, 2026, in San Francisco. (AP Photo/Jeff Chiu)

(AP Illustration / Peter Hamlin)

FILE - Secretary of Health and Human Services Robert F. Kennedy Jr., listens during a Cabinet meeting at the White House, May 27, 2026, in Washington. (AP Photo/Jacquelyn Martin, File)

FILE - This undated photo taken through a microscope provided by the CDC shows Cyclospora cayetanensis oocysts found in a fresh stool sample which had been prepared with a formalin solution and stained with safranin. (CDC via AP, File)

FILE - Florence Makumene holds HIV medication that she received through funding from the U.S. President's Emergency Plan for AIDS Relief (PEPFAR), along with her hospital records book, at her home in Harare, Zimbabwe, Feb. 7, 2025. (AP Photo/Aaron Ufumeli, File)

A woman holds a fan in front of a bottle-fed baby at the Great American State Fair, during an extreme heat wave, Friday, July 3, 2026, on the National Mall in Washington. (AP Photo/Julia Demaree Nikhinson)

The sun is obscured by wildfire smoke as a person runs in front of the Washington Monument and Lincoln Memorial Reflecting Pool, Friday, July 17, 2026, on the National Mall in Washington. (AP Photo/Julia Demaree Nikhinson)

FILE - A person uses a smart phone in Chicago, Sept. 16, 2017. (AP Photo, File)

FILE - A vial of testosterone cypionate in Columbus, Ohio, on Jan. 18, 2024. (AP Photo/Carolyn Kaster, File)

FILE - The logo for Merck appears above a trading post on the floor of the New York Stock Exchange, May 1, 2025. (AP Photo/Richard Drew, File)

FILE - A human brain affected by Alzheimer's disease is displayed at the Museum of Neuroanatomy at the University at Buffalo in Buffalo, N.Y., on Oct. 7, 2003. (AP Photo/David Duprey, File)