McDonald's Quarter Pounder beef patties not the source of E. coli outbreak, company says

Beef Patties Cleared: Tests by the Colorado Agriculture Department found no E. coli in McDonald's Quarter Pounder beef patties, ruling them out as the source of the outbreak.

Onions Identified as Likely Source: Slivered onions from Taylor Farms were identified as the probable source of the E. coli contamination. McDonald's has since removed these onions from its supply chain.

Recall and Precautionary Measures: Taylor Farms recalled four raw onion products, prompting multiple restaurants in Colorado, including Taco Bell and Pizza Hut locations, to remove fresh onions from their menus.

Widespread Impact of Outbreak: As of the article's publication, 75 people across 13 states were infected, with one reported death and several hospitalizations. Some cases involve severe complications, such as hemolytic uremic syndrome.

Ongoing Investigations and Legal Actions: The FDA continues to investigate all possible sources, and some individuals have filed lawsuits against McDonald's, alleging illness linked to the outbreak.