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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: Escherichia coli bacteria, of the strain O157:H7, which is a pathogenic strain of E. coli.
CDC

5 cases of E. coli confirmed in San Luis Obispo, possibly linked to local farm: Health officials

PHOTO: Miyoko's Creamery European Style Salted Plant Milk Butter (8-oz).
Miyoko's Creamery

Plant-based butter recalled over yeast, mold and E.coli concerns receives FDA risk classification

PHOTO: A health worker collects a blood sample from a patient before administering a dose of the Tumaini vaccine against Ebola virus, in Ituri, Congo, Oct. 23, 2026.
Dieudonne Dirole/AP Photo

1st person inoculated in trial for Ebola vaccine to protect against strain behind DRC outbreak

PHOTO: Jennifer A. Shuford, MD, MPH, deputy director and chief medical officer of the Centers for Disease Control and Prevention, has announced her resignation.
CDC

CDC's deputy director resigns after being hired in April

PHOTO: In this May 14, 2025, file photo, abortion-rights activists protest in the Missouri Capitol in Jefferson City, as the state Senate approves a proposed constitutional amendment to restrict abortion.
David A. Lieb/AP Photo, FILE

Abortion is on the ballot in Missouri again. Here's what to know about Amendment 3

PHOTO: Stock image of a health insurance application form.
Adobe Stock

Workers paying nearly 10% more for family premiums on employer health insurance: KFF

PHOTO: A port health official checks travellers' information at a health screening station at Murtala Muhammed International Airport following reports of an Ebola case in Nigeria, Lagos, Nigeria, October 22, 2026.
Sodiq Adelakun/Reuters

Nigerian medical groups call for nationwide measures after 1st Ebola case

PHOTO: Pope Leo XIV waves to the crowd during the weekly general audience at St Peter's Square in The Vatican, Oct. 21, 2026.
Tiziana Fabi/AFP via Getty Images

Pope Leo's doctors say no further treatment is necessary after lung cancer surgery

PHOTO: A woman walks past the Federal Ministry of Health in Abuja, Nigeria, Oct. 21, 2026.
Afolabi Sotunde/AP Photo

Nigeria confirms its 1st Ebola case as Kenya reports 9th infection: Health officials

PHOTO: Christina Applegate backstage at the 75th Emmy Awards, Jan. 15, 2024 at the Peacock Theater in Los Angeles.
John Salangsang/Invision/AP

Why MS can be hard to diagnose, after Christina Applegate reveals misdiagnosis

PHOTO: Stock photo of a Medicare card and stethoscope.
Dny59/STOCK PHOTO/Getty Images

What to know about changes to Medicare plans as open enrollment begins

PHOTO: People disinfect their hands as a Kenyan health worker checks the temperatures of travelers crossing from Uganda to Kenya as part of measures to contain the spread of Ebola virus, in Busia, Kenya, Oct. 15, 2026.
Andrew Kasuku/AP Photo

Kenya confirms 8th case of Ebola, all infections linked back to 1st patient who died: Health officials

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