The FDA reported on the outbreak investigation of E. coli O157:H7 in McDonald’s Quarter Pounders (October 2024)

The FDA reported that its Investigators are working to determine if the slivered onions or beef patties on Quarter Pounder burgers are the likely source of this outbreak. Preliminary traceback and distribution information reviewed by the FDA shows that slivered onions served on Quarter Pounders are a likely source of contamination. FDA is working quickly to confirm that these onions are a source of this outbreak and to determine if these onions were served or sold at other businesses. McDonald's has temporarily stopped using this type of onion in these states. Diced onions used at McDonald's are not implicated in this outbreak. FSIS is conducting traceback on hamburger patties served at McDonald's in affected states to determine if ground beef is a source of illness. McDonald's has also temporarily stopped selling Quarter Pounder beef patties in affected states while an ongoing investigation is being conducted to determine the outbreak's source. The outbreak is centered in Colorado. Forty-nine illnesses, 10 hospitalizations, and one death are reported. The initial findings from the investigation indicate that a subset of illnesses may be linked to slivered onions used in the Quarter Pounder and sourced by a single supplier that serves three distribution centers. As a result, all local restaurants have been instructed to remove this product from their supply. The company has paused the distribution of all slivered onions in the impacted area. As of October 22, 49 people infected with the outbreak strain of E. coli O157:H7 have been reported from 10 states – Oregon, Montana, Wyoming, Utah, Colorado, Nebraska, Kansas, Iowa, Missouri and Wisconsin. @ https://www.fda.gov/food/outbreaks-foodborne-illness/outbreak-investigation-e-coli-o157h7-mcdonalds-quarter-pounders-october-2024?utm_medium=email&utm_source=govdelivery

 

 

 Outbreak Investigation
Outbreak Investigation

Linked to McDonald’s Quarter Pounders served in certain states. Investigators are working to confirm the source of the outbreak.

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