THURSDAY, Oct. 24, 2024 (HealthDay News) -- Just days after an E. coli outbreak tied to McDonald's Quarter Pounders was first announced, a company producing onions used in the burgers said it has issued a recall for its diced, peeled and whole onions.

The onions were produced at Taylor Farms Colorado and have been pinpointed by McDonalds as the source of the outbreak, which has already sickened 49 people in 10 states, killing one person and landing 10 more in the hospital. In an email sent to the , food service distributor U.S.

Foods, which helped supply the onions to McDonalds, said the onions were being recalled by Taylor Farms out of an "abundance of caution." Taylor Farms has not yet replied to the request for a comment. Most of the illnesses have been reported in Colorado and Nebraska, and one child developed a serious complication known as , according to the U.

S. Centers for Disease Control and Prevention. "This is a fast-moving outbreak investigation," the agency said in a issued Monday.

"Most sick people are reporting eating Quarter Pounder hamburgers from McDonald’s and investigators are working quickly to confirm which food ingredient is contaminated. McDonald’s has pulled ingredients for these burgers, and they won’t be available for sale in some states." As the CDC noted at the time, information reviewed by the U.

S. Food and Drug Administration had suggested slivered onions as the source of contamination. In the meantime, McDonald’s has stopped using the o.