This undated photo provided by Grail Inc. on Tuesday, Sept. 22, 2026, shows an employee scanning a Galleri cancer screening test. (Grail Inc. via AP)

Vice President JD Vance, center, speaks during a news conference accompanied by Kim Brandt, Chief Operating Officer for the Centers for Medicare and Medicaid Services, left, Dr. Mehmet Oz, Administrator for the Centers for Medicare & Medicaid Services, Chairman Andrew Ferguson of the Federal Trade Commission (FTC), and Chris Klomp, nominee for Deputy Secretary of Health and Human Services, in the South Court Auditorium in the Eisenhower Executive Office Building on the White House campus, Tuesday, Sept. 22, 2026, in Washington. (AP Photo/Alex Brandon)

Vice President JD Vance arrives for a news conference, followed by Federal Trade Commission (FTC) Chairman Andrew Ferguson, in the South Court Auditorium in the Eisenhower Executive Office Building on the White House campus, Tuesday, Sept. 22, 2026, in Washington. (AP Photo/Alex Brandon)

Ebola response teams organize a public demonstration to raise awareness about the Ebola virus disease in Beni, North Kivu province, eastern Congo, Tuesday, Sept. 22, 2026. (AP Photo/Sebastien Kitsa Musayi)

Ebola response teams organize a public demonstration to raise awareness about the Ebola virus disease in Beni, North Kivu province, eastern Congo, Tuesday, Sept. 22, 2026. (AP Photo/Sebastien Kitsa Musayi)

Ebola response teams organize a public demonstration to raise awareness about the Ebola virus disease in Beni, North Kivu province, eastern Congo, Tuesday, Sept. 22, 2026. (AP Photo/Sebastien Kitsa Musayi)

Ebola response teams organize a public demonstration to raise awareness about the Ebola virus disease in Beni, North Kivu province, eastern Congo, Tuesday, Sept. 22, 2026. (AP Photo/Sebastien Kitsa Musayi)

FILE - Bottles of Extra-Strength Tylenol are tested with a chemically treated paper that turns blue in the presence of cyanide at the Illinois Department of Health in Oct. 1982, in Chicago. (AP Photo/John Swart, File)