McDonald’s is under scrutiny following an E. coli outbreak tied to its popular Quarter Pounder burger. Initial investigations indicate that the contamination may be due to slivered onions sourced from a single supplier. The Centers for Disease Control and Prevention (CDC) reported nearly 50 cases across ten states. These cases include multiple hospitalizations and, tragically, one death, all seemingly linked to Quarter Pounder consumption. In response, McDonald’s has stopped using these onions and suspended Quarter Pounder sales in affected states, including Colorado and Nebraska.

The chain’s North America Supply Chain Officer, Cesar Piña, stated that McDonald’s is taking “swift and decisive action” to safeguard customers while working closely with health officials. McDonald’s USA President Joe Erlinger reinforced this message, explaining that safety measures are in place and most products remain unaffected.

Following the CDC’s announcement, McDonald’s stock took a hit, reflecting investor concerns about the brand’s safety protocols and potential legal repercussions. Health authorities are advising anyone who experiences symptoms, such as severe stomach cramps, bloody diarrhea, or vomiting after eating at McDonald’s, to seek immediate medical help. Further investigation by the CDC is ongoing as McDonald’s cooperates to ensure public safety.

For additional details on the outbreak and McDonald’s response, visit the NPR coverage here or the CDC’s website.

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