COVID-19

A health worker administers a polio vaccine to a child in Karachi, Pakistan, April 21, 2025. (AP Photo/Fareed Khan)

With posters illustrating stages of pregnancy behind them, people attend a health clinic about diabetes held by Holy Family Services, a birth center and women's clinic in the Rio Grande Valley, Wednesday, June 18, 2025, in Weslaco, Texas. (AP Photo/Jacquelyn Martin)

FILE - A health worker administers a polio vaccine to a child in Karachi, Pakistan, Jan. 8, 2024. (AP Photo/Fareed Khan, File)

FILE - Sharline Volcy holds a wedding picture of her and her deceased husband, Roland Donat, Feb. 3, 2025, in Orange, N.J. (AP Photo/Andres Kudacki, File)

FILE - The Warrick Power Plant, a coal-fired electricity-generating station, operates, April 8, 2025, in Newburgh, Ind. (AP Photo/Joshua A. Bickel, File)

Law enforcement officials investigate after an attack on the Pearl Street Mall Sunday, June 1, 2025, in Boulder, Colo. (AP Photo/David Zalubowski)

A mobile health unit is parked outside of Independence High School in Charlotte, N.C., on Wednesday, March 19, 2025. (AP Photo/Matt Kelley)

Damaged equipment sits on a farm struck by Wednesday night's tornado on Thursday, April 3, 2025, in Lake City, Ark. (AP Photo/Adrian Sainz)

FILE - A sign for the U.S. Food and Drug Administration is displayed outside their offices in Silver Spring, Md., Dec. 10, 2020. (AP Photo/Manuel Balce Ceneta, File)

FILE - A measles sign is seen at the Texas Tech University Health Sciences Center, Feb. 25, 2025, in Lubbock, Texas. (AP Photo/Julio Cortez, file)

People protest outside of the Centers for Disease Control and Prevention in Atlanta on Tuesday, April 1, 2025 after layoffs were announced. (AP Photo/Ben Gray)

FILE - Jen Ho Lee, a 76-year-old South Korean immigrant, poses in her apartment with a sign from a recent rally against anti-Asian hate crimes she attended Wednesday, March 31, 2021, in Los Angeles. (AP Photo/Jae C. Hong, File)