A food safety alert has been issued in the US, linking McDonald's Quarter Pounder hamburgers to an E. coli outbreak. According to the CDC, 49 people have fallen ill and one person has died. The affected individuals reported eating at McDonald's before developing symptoms, with most specifically recalling having had Quarter Pounders. While the exact cause of the outbreak remains unclear, investigators are focusing on slivered onions and beef patties as potential culprits. McDonald's has removed these ingredients from restaurants in affected states pending further investigation.

Source: https://www.wionews.com/world/mcdonalds-quarter-pounders-tied-to-e-coli-outbreak-in-us-49-infected-one-death-reported-769877