When 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
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When people got sick

This chart shows when the 104 people in this E. coli outbreak got sick.

The true number of sick people in this outbreak was likely much higher than the number reported. This is because many people recover without medical care and are not tested for E. coli.

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Content Source:
National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)