health
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E. coli Outbreak Linked to McDonald's Quarter Pounders Expands, Supplier Recalls Onions
National Desk
April 23, 2026
Federal authorities are investigating an ongoing E. coli outbreak potentially linked to McDonald's Quarter Pounder hamburgers. The Centers for Disease Control and Prevention (CDC) issued has updated its food safety alert regarding the situation.
As part of the investigation, Taylor Farms has initiated a voluntary recall of onions shipped to McDonald's restaurants potentially impacted by the outbreak. The specific regions or restaurants affected have not been explicitly defined, but the investigation into the source of the contamination remains active.
The CDC is working with state and local health officials to determine the full scope of the outbreak and identify the specific strain of E. coli responsible. Public health officials are interviewing individuals affected by the outbreak to source details about food consumed before the onset of illness.
Symptoms of E. coli infection can include severe stomach cramps, diarrhea (often bloody), and vomiting. Individuals experiencing these symptoms are advised to seek medical attention. Complete and updated information regarding the outbreak will continue to be released by the CDC as the investigation unfolds.


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