The New Mexico Department of Health is currently investigating five cases of E. coli O157 linked to McDonald’s, part of a broader outbreak affecting multiple states. All identified cases in New Mexico have been reported in Bernalillo County. So far, there has been one hospitalization associated with this outbreak, but no fatalities. The department is collaborating closely with other states, the Centers for Disease Control and Prevention (CDC), and the USDA Food Safety and Inspection Service to identify the source of the contamination.
Patrick Allen, NMHealth Secretary, emphasized the seriousness of the situation, stating, “We’re taking this outbreak seriously and taking part in a multi-state investigation being led by the CDC.”
Affected individuals have primarily reported consuming the Quarter Pounder hamburger prior to falling ill. The specific contaminated food ingredient has yet to be determined. In response to the ongoing investigation, McDonald’s has ceased the use of fresh slivered onions and quarter-pound beef patties.
E. coli O157 is a strain of Shiga toxin-producing E. coli (STEC), which can cause severe gastrointestinal distress, including diarrhea (sometimes bloody), nausea, vomiting, stomach cramps, and fever. Most people recover within five to seven days, although 5-10% may develop a serious complication known as hemolytic uremic syndrome (HUS), particularly if they take anti-diarrheal medications or antibiotics.
Anyone experiencing symptoms of a STEC infection is advised to consult a doctor who can order relevant tests. Additionally, healthcare providers are encouraged to report suspected STEC cases to the Health Department’s Epidemiology and Response Division at 1-833-SWNURSE, available 24/7.