During extended trading, shares of the biggest fast-food business in the world fell around 6%. By endangering the demand for beef, the epidemic may potentially put pressure on U.S. cattle futures on Wednesday, according to a livestock dealer.
According to the CDC, every person contacted as part of the outbreak investigation said they had eaten at McDonald’s before to being ill, and the majority of them stated having a Quarter Pounder hamburger
Although the precise substance causing the disease has not been found, the CDC stated that investigators are concentrating on fresh beef patties and sliced onions. Colorado and Nebraska reported the majority of the illnesses.
McDonald’s North America Chief Supply Chain Officer Cesar Piña said in a statement, “The preliminary results of the investigation suggest that a subset of illnesses may be connected to slivered onions used in the Quarter Pounder and sourced by a single supplier that serves three distribution centres.”
While the inquiry is ongoing, McDonald’s has proactively removed the beef patties and slivered onions used in the Quarter Pounder hamburgers from its locations in the impacted states, the firm told the CDC.
More cases of illness could emerge, according to U.S. food safety lawyer Bill Marler, who represented a sufferer in the Jack in the Box incident. According to him, onions have been connected to previous E. coli O157:H7 epidemics.
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