McDonald's Quarter Pounder beef patties have tested negative for E. coli contamination as an outbreak that has sickened 75 people in 13 states continues, the company announced Sunday. Federal health officials had already identified slivered onions that had been used on the burgers as the likely culprit in the outbreak , which has landed 22 people in the hospital and caused one death in Colorado.
"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 in a news release . "We've been informed there is no further testing planned for beef patties.
" "We are now confident in asking our beef suppliers to produce a new supply of fresh beef patties for the impacted areas. We will resume distribution of that fresh supply, and the Quarter Pounder is expected to be available in all restaurants in the coming week," the company added. McDonald's had already stopped using the slivered onions in several states while the investigation continues.
Taylor Farms, the Colorado supplier of the suspect onions, has also issued a recall . "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 noted in its news release. "Those restaurants are in Colo.