Where People Got Sick: E. coli Outbreak, Onions Served at McDonald's - November 13, 2024

Key points

This outbreak is over. Learn what you can do to protect yourself from getting sick from E. coli.

McDonald's Quarter Pounder with cheese on a white background

Where people got sick

This map shows where the 104 people in this E. coli outbreak lived.

This outbreak may not have been limited to the states with known illnesses, and the true number of sick people was likely much higher than the number reported. This is because many people recover without medical care and are not tested for E. coli.