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Health & Science Reporter

Mary Kekatos

Mary Kekatos is on ABC News. Get Mart Kekatos's latest news stories and articles, connect with millions of users and join the conversation at ABC News.

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PHOTO: A shelf of General Mills Lucky Charms cereal at a market in Homestead, Pa., Feb. 24, 2025.
Gene J. Puskar/AP Photo

General Mills says cereals including Lucky Charms, Trix now made without artificial colors

Measles literature seen at Kaiser's emergency department check-in at Redwood City, Calif., on Friday, Jan. 23, 2015.
San Francisco Chronicle/hearst N/San Francisco Chronicle via Gett

An infant is one of the 2 measles-associated deaths in Pennsylvania

PHOTO: The logo of the Food and Drug Administration (FDA) is seen on a sign outside the agency's White Oak campus in Silver Spring, Md., July 17, 2025.
Issam Ahmed/AFP via Getty Images

FDA approves breakthrough drug to treat advanced pancreatic cancer

PHOTO: The NFL logo is shown the field before the start of a preseason NFL football game between the Green Bay Packers and the Pittsburgh Steelers in Pittsburgh, Aug. 13, 2026.
Gene J. Puskar/AP Photo

Study suggests at least 1 in 4 former NFL players may have CTE

PHOTO: Doctor giving young girl injection in arm in an undated stock photo.
STOCK PHOTO/Getty Images

Vaccine exemption rate for kindergarteners reaches record high: CDC

PHOTO: Stock image of vibrio vulnificus bacterium in detailed microscopic view.
AGPhotography/Adobe Stock

What to know about 'flesh-eating' Vibrio vulnificus bacteria after infections reported in Florida, Louisiana

PHOTO: McKenna West, from Alaska, was carrying the child of a California couple. West has been the center of a surrogacy battle.
Courtesy McKenna West

Baby with a serious heart defect was born amid a legal battle between the surrogate and parents. What to know

PHOTO: The Whole Foods logo is displayed in front of a store, June 11, 2025, in San Rafael, Calif.
Justin Sullivan/Getty Images

Whole Foods recalls more products with jalapenos amid salmonella outbreak

PHOTO: A vial of MMR vaccine is prepared at a doctor's office, Sept. 12, 2025, in Coral Gables, Fla.
Joe Raedle/Getty Images

Why the MMR vaccine is given as one shot, and what separating it into more could mean

PHOTO: Cyclospora cayetanensis is a unicellular parasite that causes an intestinal infection called cyclosporiasis.
CDC

More than 24,000 cyclosporiasis infections reported as new cases appear to slow: CDC

PHOTO: Stock photo of a patient in the hospital.
Luis Alvarez/STOCK PHOTO/Getty Images

Severe COVID-19 linked to reactivation of some dormant viruses: Study

PHOTO: Lettuce is stocked in the produce section at a grocery store chain in Minneapolis, July 31, 2026.
Ellen Schmidt/AP Photo

Michigan health officials say people can resume regular lettuce-eating habits as new cases of cyclosporiasis slow

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