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Coverage dated October 22, 2024 to October 24, 2024

McDonald's E. coli update: Contaminated onions came from California farm, officials say

Headline from FOX 5 New York, on the newest of 2 developments

McDonald's pulled Quarter Pounders from 20% of its U.S. stores this week — and now other fast-food restaurants have temporarily stopped using onions.

FOX 5 New York's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Developments in this update

2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. McDonald's zeroes in on onions as the likely source of deadly E. coli outbreak

    Headline from NBC News ·

  2. Newest

    McDonald's E. coli update: Contaminated onions came from California farm, officials say

    Headline from FOX 5 New York ·

Read the reports

Reports & sources

57 articles, oldest first.

  1. CBS News

    McDonald (opens CBS News)

    Published

    CBS News's feed description

    McDonald's said it believes onions may be to blame for the deadly E. coli outbreak linked to its Quarter Pounder.

  2. NBC News

    McDonald's zeroes in on onions as the likely source of deadly E. coli outbreak (opens NBC News)

    Published

    NBC News's feed description

    The investigation into the E. coli outbreak in McDonald's Quarter Pounders that has killed at least one person and sickened nearly 50 others increasingly points to the slivered onions served on the hamburgers.

  3. New York Post

    McDonald’s supplier recalls onions linked to deadly E. coli outbreak (opens New York Post)

    Published

    New York Post's feed description

    McDonald's supplier recalling batches of yellow onions produced in a Colorado plant in response to a deadly E. coli outbreak at the fast food chain.

  4. WCNC

    McDonald's says onions from California-based produce company linked to deadly E. coli outbreak (opens WCNC)

    Published

    WCNC's feed description

    The E. coli outbreak has sickened at least 49 people in 10 states, including one person who died.

  5. The Guardian

    Onions are likely source of deadly McDonald’s E Coli outbreak, USDA says (opens The Guardian)

    Published

    The Guardian's feed description

    Batches of the vegetable produced in Colorado, where many people fell ill after eating quarter pounders, were recalled

  6. KTVU San Francisco

    McDonald’s says onions from California grower linked to deadly E. coli outbreak (opens KTVU San Francisco)

    Published

    KTVU San Francisco's feed description

    A California grower was the source of fresh onions linked to a deadly E. coli food poisoning outbreak at McDonald’s, officials with the restaurant chain said Thursday. Meanwhile, other fast-food restaurants — including Taco Bell, Pizza Hut, KFC and Burger King — pulled onions from some menus.

  7. FOX Business

    McDonald's E. coli outbreak leads Taco Bell, Pizza Hut to yank onions out of caution (opens FOX Business)

    Published

    FOX Business's feed description

    Taco Bell, Pizza Hut and KFC parent Yum! Brands is following McDonald's in removing fresh onions from some locations amid an E. coli outbreak that is still under investigation.

  8. ABC 13 Houston

    Onions from California-based produce company linked to deadly E. coli outbreak: McDonald's (opens ABC 13 Houston)

    Published

    ABC 13 Houston's feed description

    Onions from California-based Taylor Farms were linked to the deadly E. coli outbreak affecting McDonald's Quarter Pounders, the company said.

  9. Quartz

    The McDonald's Quarter Pounder E.Coli outbreak has sparked a big onions recall (opens Quartz)

    Published

    Quartz's feed description

    U.S. Foods is advising restaurants to stop using onions from Taylor Farms and to “DESTROY” any remaining stock

  10. Forbes

    Some Taco Bell, Pizza Hut And KFC Locations Pull Onions After E. Coli Outbreak Linked To McDonald’s Quarter Pounder (opens Forbes)

    Published

    Forbes's feed description

    The produce company that supplied onions to McDonald’s recently removed products from the market because of potential E. coli contamination.

  11. FOX 5 New York

    McDonald's E. coli update: Contaminated onions came from California farm, officials say (opens FOX 5 New York)

    Published

    FOX 5 New York's feed description

    McDonald's pulled Quarter Pounders from 20% of its U.S. stores this week — and now other fast-food restaurants have temporarily stopped using onions.

  12. NBC Chicago

    Burger King, Taco Bell, KFC and others pull onions after McDonald's E. coli outbreak (opens NBC Chicago)

    Published

    NBC Chicago's feed description

    Burger King, Taco Bell, KFC and Pizza Hut have all pulled onions from a portion of their restaurants following reports of a “severe” E. coli outbreak...

  13. ABC 7 San Francisco

    Onions connected to deadly McDonald's E. coli outbreak came from Taylor Farms in Salinas (opens ABC 7 San Francisco)

    Published

    ABC 7 San Francisco's feed description

    McDonald's says onions from Taylor Farms in Salinas are the source of the E. coli food poisoning that sickened 49 people in 10 states.

  14. Honolulu Star-Advertiser

    Fast-food chains hold the onions after McDonald’s E. coli outbreak | Honolulu Star-Advertiser (opens Honolulu Star-Advertiser)

    Published

    Honolulu Star-Advertiser's feed description

    LONGMONT, Colorado >> U.S. fast-food chains were pulling fresh onions out of their menu items today after the vegetable was named as the likely source of an E. coli outbreak at McDonald’s restaurants that has sickened 49 people and killed one.

  15. Al Jazeera

    US fast-food chains pull onions from menus after McDonald’s E coli outbreak (opens Al Jazeera)

    Published

    Al Jazeera's feed description

    At least 49 people have fallen ill in 10 US states due to contaminated food, according to health authorities.

  16. Gizmodo

    Fast Food Chains Are Pulling Their Onions in the Wake of McDonald’s E. Coli Outbreak (opens Gizmodo)

    Published

    Gizmodo's feed description

    Burger King, KFC, and other chains have pulled onions from their products after a potential source of McDonald's E. coli outbreak was identified.

  17. Delaware Public Media

    McDonald's says onions from California-based company are linked to E. coli outbreak (opens Delaware Public Media)

    Published

    Delaware Public Media's feed description

    A California-based produce company was the source of fresh onions linked to a deadly E. coli food poisoning outbreak at McDonald’s, restaurant chain officials said.

  18. Quartz

    Burger King is tossing onions as the E. coli outbreak grows (opens Quartz)

    Published

    Quartz's feed description

    McDonalds, Taco Bell, Pizza Hut, and KFC have all pulled onions from some menus

  19. Anchorage Daily News

    Fast food chains remove onions from menus amid E. coli outbreak (opens Anchorage Daily News)

    Published

    Anchorage Daily News's feed description

    A major supplier of onions has issued a recall amid an E. coli outbreak linked to McDonald’s Quarter Pounder hamburgers

  20. WHDH Boston

    McDonald’s says farm in California is source of onions tied to E. coli outbreak - Boston News, Weather, Sports (opens WHDH Boston)

    Published

    WHDH Boston's feed description

    A California-based produce company was the source of fresh onions linked to a deadly E. coli food poisoning outbreak at McDonald’s, officials with the restaurant chain said

  21. NBC Chicago

    Multiple fast-food chains pull ingredients off menus as McDonald's E. coli outbreak continues (opens NBC Chicago)

    Published

    NBC Chicago's feed description

    The latest evidence points to E. Coli contamination coming from raw, slivered onions.

  22. Deutsche Welle

    Fast-food chains nix onions over McDonald's E. coli outbreak – DW (opens Deutsche Welle)

    Published

    Deutsche Welle's feed description

    Several popular fast-food restaurants in the US have taken fresh onions off their menus after an E. coli outbreak tied to McDonald's left one person dead and dozens more sick.

  23. The Oregonian

    Taco Bell, KFC, Burger King pull onions from some menus as McDonald’s ties listeria outbreak to onion supplier (opens The Oregonian)

    Published

    The Oregonian's feed description

    The other brands say they're pulling the products proactively, not because of reported illness.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

McDonald's E. coli update: Contaminated onions came from California farm, officials say | Since Then