McDonald's signature burgers cause E. coli infections in multiple locations in the United States, with the company's stock price plummeting after hours.
On Tuesday, the Centers for Disease Control and Prevention (CDC) in the United States announced that an E. coli outbreak in 10 states has infected 49 people, hospitalized 10, and resulted in 1 death. Those infected all reported having eaten at McDonald's during interviews conducted as part of the investigation.
Following the news, McDonald's stock plunged more than 9% after hours.
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The CDC stated that all infected individuals tested positive for the &#34;O157:H7&#34; strain of bacteria. Symptoms of the infection include diarrhea, stomach cramps, vomiting, and fever. The investigation will focus on the onions and beef patties in McDonald's signature &#34;Quarter Pounder&#34; burger.
Later, McDonald's released a statement indicating that the company is taking swift and decisive action in response to the E. coli infections in certain states in the U.S. Preliminary investigation results suggest that some illnesses may be linked to the sliced onions in the Quarter Pounder burger, leading affected restaurants in the region to remove the Quarter Pounder from their menus.
The United States is McDonald's largest market, with over 13,000 company-operated and franchised stores. In the year ending in late June, McDonald's global sales approached nearly $26 billion

Just after Trump sold his fries, McDonald's ran into trouble? An E. coli infection incident related to McDonald's occurred in 10 states in the United States, causing McDonald's stock price to plummet more than 9% after hours

- An E. coli outbreak linked to McDonald's signature burger has resulted in 49 infections, 10 hospitalizations, and 1 death across 10 states, prompting a significant drop in the company's stock price.  
- The CDC confirmed that infected individuals tested positive for the "O157:H7" strain, with symptoms including diarrhea and vomiting, focusing investigations on the Quarter Pounder’s onions and beef patties.  
- In response, McDonald's stated it is taking swift action, removing the Quarter Pounder from affected locations as preliminary findings suggest a connection to the onions.  

49 people infected! McDonald's hamburger outbreak of E. coli, stock price plunges after hours