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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.

Mary's Latest Work

PHOTO: A sign marks the headquarters of the coronavirus disease (COVID-19) vaccine maker Moderna in Cambridge, Massachusetts, April 28, 2022.
Brian Snyder/Reuters

FDA expands approval of Moderna's RSV vaccine to some adults under age 60

PHOTO: Registered Nurse Mariam Salaam administers the Pfizer booster shot at a Covid vaccination and testing site decorated for Cinco de Mayo at Ted Watkins Park in Los Angeles on May 5, 2022.
Frederic J. Brown/AFP via Getty Images

COVID-19 patients with reduced kidney function who are vaccinated are more likely to survive: Study

PHOTO: U.S. Health and Human Services Secretary Robert F. Kennedy Jr. testifies before the Senate Committee on Appropriations hearing on the Department of Health and Human Services budget, on Capitol Hill in Washington, May 20, 2025.
Ken Cedeno/Reuters

RFK Jr. appoints 8 new members to CDC's vaccine advisory committee, including some critics of shots

PHOTO: U.S. Health and Human Services Secretary Robert F. Kennedy Jr. testifies before the Senate Committee on Appropriations hearing on the Department of Health and Human Services budget, on Capitol Hill in Washington, May 20, 2025.
Ken Cedeno/Reuters

What may be next for CDC's vaccine advisory committee after RFK Jr. removed all its members?

PHOTO: The emblem of the US Forest Service, part of the Department of Agriculture.
Rivernorthphotography/Getty Images

What to know about stinging Asian needle ants detected in 20 states

PHOTO: Secretary of Health and Human Services Robert F. Kennedy Jr. testifies before the Senate Committee on Health, Education, Labor, and Pensions on Capitol Hill on May 20, 2025 in Washington, DC.
Tasos Katopodis/Getty Images

RFK Jr. removes all 17 members of CDC's vaccine advisory committee

PHOTO: The National Institutes of Health (NIH) Gateway Center is seen in the rain in Bethesda, Md., June 8, 2025.
Elizabeth Frantz/Reuters

NIH scientists sign open letter criticizing Trump administration's grant cancellations, firings

PHOTO: Naegleria fowleri
Bsip/BSIP/Universal Images Group via Getty Images

What to know about rare brain-eating amoeba after Texas woman dies

PHOTO: Elon Musk attends a press conference with President Donald Trump at the White House in Washington, May 30, 2025.
Allison Robbert/AFP via Getty Images

Elon Musk threatened to decommission Dragon spacecraft. Here's what that would mean for NASA

PHOTO: Vials for the measles, mumps and rubella vaccine are displayed at a clinic in Lubbock, Texas, on Feb. 26, 2025.
Mary Conlon/AP

US measles cases nearing 30-year high

PHOTO: Secretary of Health and Human Services Robert F. Kennedy Jr. looks on before President Donald Trump speaks to guests from Truman Balcony of the White House during an event on the South Lawn on June 04, 2025 in Washington, DC.
Anna Moneymaker/Getty Images

RFK Jr. has promoted 'freedom of choice' while limiting vaccines, food

PHOTO: In this Nov. 30, 2022, file photo, a Mounjaro injection pen is on display in Carlsbad, Calif.
The Washington Post via Getty Images, FILE

What to know about UK warning on weight loss drugs' effect on birth control

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