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2024 McDonald's E. coli outbreak

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2024 McDonald's E. coli outbreak
Bacteria strainEscherichia coli O157:H7
SourceContaminated Quarter Pounders at McDonald's restaurants
LocationUnited States
First reportedOctober 22, 2024
DateSeptember 27, 2024 –
ongoing
Confirmed cases75
Hospitalized cases22
Deaths
1

The 2024 McDonald's E. coli outbreak is an ongoing outbreak involving contaminated Quarter Pounders sold at McDonald's stores in 13 U.S. states. At least 75 people have contracted Escherichia coli and one person has died.[1]

Outbreak

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The Food and Drug Administration (FDA) issued a public warning through its Coordinated Outbreak Response & Evaluation Network (CORE Network) about the E. coli outbreak on October 22. Their initial investigation noted 49 cases of E. coli throughout 10 U.S. states (Colorado, Kansas, Utah, Wyoming, and portions of Idaho, Iowa, Missouri, Montana, Nebraska, Nevada, New Mexico, and Oklahoma). The Centers for Disease Control and Prevention (CDC) has not confirmed the origin, but it is suspected to be either slivered onions or beef patties.[2][3] An update to the investigation was published on October 25 with 26 new cases, 12 new hospitalizations, and 3 new U.S. states (Oregon, Washington, and Utah).[4]

On 22 October, McDonald's stores in the affected states have either temporarily removed the Quarter Pounder from the menu or stopped serving it with the specific slivered onions and beef patties.[2][5]

On 23 October, a man, who fell ill after eating a sandwich at the fast food chain's Greeley, Colorado, has filed a lawsuit against McDonald's over an E. coli outbreak linked to its Quarter Pounder burgers. The lawsuit is one of the first in the case.[6]

Infection

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Escherichia coli O157:H7 is a serotype of the bacterial species Escherichia coli and is one of the Shiga-like toxin–producing types of E. coli. It is a cause of disease, typically foodborne illness, through consumption of contaminated and raw food, including raw milk and undercooked ground beef.[7][8]

Responses

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Two days after the reports, restaurant chains Burger King, Taco Bell, KFC and Pizza Hut removed onions from their products.[9]

On October 25, Taylor Farms, the supplier of the slivered onions to the affected McDonald's stores, initiated a voluntary recall.[4][5]

References

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  1. ^ Sun, Lena H. (October 22, 2024). "E. coli outbreak linked to McDonald's Quarter Pounders, CDC says". The Washington Post. Retrieved October 22, 2024.
  2. ^ a b "E. coli Outbreak Linked to McDonald's Quarter Pounders". Centers for Disease Control and Prevention (CDC). October 22, 2024. Retrieved October 23, 2024.
  3. ^ "Outbreak Investigation of E. coli O157:H7: McDonald's Quarter Pounders (October 2024)". Food and Drug Administration (FDA). October 22, 2024. Retrieved October 24, 2024.
  4. ^ a b "Investigation Update: E. coli Outbreak, McDonald's Quarter Pounders - October 22, 2024". CDC. October 25, 2024. Retrieved October 25, 2024.
  5. ^ a b "Sobe para 75 número de contaminados por E.coli em McDonald's dos EUA; uma pessoa morreu". G1 (in Portuguese). October 25, 2024. Retrieved October 26, 2024.
  6. ^ "McDonald's é processado por homem que adoeceu com surto de E. coli nos EUA". G1 (in Portuguese). October 24, 2024. Retrieved October 25, 2024.
  7. ^ Gally DL, Stevens MP (January 2017). "Microbe Profile: Escherichia coli O157:H7 - notorious relative of the microbiologist's workhorse" (PDF). Microbiology. 163 (1): 1–3. doi:10.1099/mic.0.000387. PMID 28218576.
  8. ^ Karch H, Tarr PI, Bielaszewska M (October 2005). "Enterohaemorrhagic Escherichia coli in human medicine". International Journal of Medical Microbiology. 295 (6–7): 405–18. doi:10.1016/j.ijmm.2005.06.009. PMID 16238016.
  9. ^ Brockington, Ariana (October 25, 2024). "Burger King, Taco Bell, KFC and others pull onions after McDonald's E. coli outbreak". NBC News. Retrieved October 25, 2024.