Deadly Bacteria Outbreak Linked to McDonald’s Found in Wisconsin

America's largest fast food chain is dealing with an outbreak of deadly bacteria that has already killed one and made dozens more sick.

The Centers for Disease Control and Prevention is warning the public about the outbreak that has left at least 49 people ill, 10 hospitalizations, and one death.

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All the victims have one thing in common, they all ate Quarter Pounder hamburgers from McDonald’s. Investigators with the federal government and more than 10 states are trying to determine what ingredient is causing the spread of the deadly E. coli bacteria.

In response, McDonald's says it's pulling the Quarter Pounder from its menu in, "Colorado, Kansas, Utah and Wyoming, as well as portions of Idaho, Iowa, Missouri, Montana, Nebraska, Nevada, New Mexico, and Oklahoma."

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But it seems that the outbreak isn't just contained to those states, the Wisconsin Department of Health Services reports that one person in Wisconsin has become sick from the outbreak.

According to the Milwaukee Journal Sentinel, it's not clear "what area of the state the person resides in or which McDonald's location had food contaminated with the bacteria."

McDonald's says that all other hamburger based menu items are still available, the Quarter Pounder does not use the same patties as the other burgers, so they should not be affected.

The CDC says that if you ate a Quarter Pounder and experience any E. coli symptoms, like severe stomach cramps, diarrhea (often bloody), vomiting, and a fever above 102°F. Symptoms may take 3 to 4 days to start showing, and most people recover in 5 to 7 days.