McDonald’s said that beef patties used in its Quarter Pounder hamburgers were not the source of a deadly E. coli outbreak in multiple states that sparked warnings from the U.S.

Centers for Disease Control and Prevention. “Over the weekend, McDonald’s was informed that the Colorado Department of Agriculture has completed their testing, the results of which confirm that there was no detection of E. coli in the samples taken of Quarter Pounder beef patties from restaurants in this area,” the company said.

“We’ve been informed there is no further testing planned for beef patties.” The company said it will now ask beef suppliers to produce a new supply of fresh beef patties for the affected areas and that the Quarter Pounder will “be available in all restaurants in the coming week.” McDonald’s indicated it had already stopped using the slivered onions last week amid an investigation into the cause of the outbreak.

“The 900 restaurants that historically received slivered onions from Taylor Farms’ Colorado Springs facility will resume sales of Quarter Pounders without slivered onions,” McDonald’s said in its statement. “Those restaurants are in Colorado, Kansas, and Wyoming, as well as parts of Idaho, Iowa, Missouri, Montana, Nebraska, Nevada, New Mexico, Oklahoma and Utah.” Because of the actions taken by the two companies, the CDC said on its website that the public’s risk of E.

coli infection is now “very low.” “Most people in this outbreak.