E. coli meals poisoning linked to McDonald’s Quarter Pounder hamburgers has sickened at the very least 49 folks in 10 states, together with one one who died and 10 who had been hospitalized, federal well being officers mentioned Tuesday.

The demise was reported in an older individual in Colorado, and one little one has been hospitalized with extreme kidney problems, the U.S. Facilities for Illness Management and Prevention reported.

Infections had been reported between Sept. 27 and Oct. 11, in Colorado, Iowa, Kansas, Missouri, Montana, Nebraska, Oregon, Utah, Wisconsin and Wyoming. Colorado has probably the most circumstances, 27, adopted by Nebraska with 9.

Everybody interviewed in reference to the outbreak had reported consuming at McDonald’s earlier than falling ailing and most talked about consuming Quarter Pounder hamburgers, the CDC mentioned. The U.S. Agriculture Division, the Meals and Drug Administration and state well being officers are additionally investigating.

A selected ingredient has not been recognized because the trigger, however investigators are targeted on onions and beef. A preliminary FDA investigation means that slivered onions served on the burgers are a possible supply of contamination. The USDA is investigating the hamburger patties.

McDonald’s says among the sicknesses could also be linked to onions

In an announcement, McDonald’s officers mentioned that preliminary findings counsel that some sicknesses are linked to onions sourced from a single provider. The corporate has halted distribution of the slivered onions and quickly eliminated the Quarter Pounder from menus within the affected states, and in addition in parts of Idaho, Nevada, New Mexico and Oklahoma.

“We take meals security extraordinarily significantly and it is the precise factor to do,” the assertion mentioned.

E. coli micro organism are harbored within the guts of animals and located within the atmosphere. Infections could cause extreme sickness, together with fever, abdomen cramps and bloody diarrhea. Individuals who develop signs of E. coli poisoning ought to search well being care instantly and inform the supplier what they ate.

The information is available in an already powerful yr for the Chicago-based McDonald’s chain. Its international same-store gross sales fell for the primary time in practically 4 years within the second quarter as inflation-weary prospects skipped consuming out or selected cheaper choices. The corporate responded with a $5 meal deal, which was launched at U.S. eating places in late June and was just lately prolonged via December. The deal doesn’t embody the Quarter Pounder.

McDonald’s shares dropped 9% in after-hours buying and selling Tuesday after the CDC’s announcement.

The kind of micro organism implicated on this outbreak, E. coli O157:H7, causes about 74,000 infections within the U.S. every year, resulting in greater than 2,000 hospitalizations and 61 deaths. Infections are particularly harmful for kids youthful than 5 and may trigger acute kidney failure.