McDonald’s is under scrutiny due to an E. coli outbreak linked to its popular Quarter Pounder burger. Reports of sickness in ten states and one death have raised concerns about food safety standards in their supply chain. In response, McDonald’s has removed the Quarter Pounder from menus in affected states as a precaution. The company’s stock has dropped by nearly 8% after the CDC linked the outbreak to their burgers. Federal investigators are focusing on the ground beef and onions as potential sources of contamination.

The response:
In response to the outbreak, McDonald’s reassured customers about the safety of their food and removed the Quarter Pounder from menus in affected states as a precautionary measure.
Stock drop:
After the CDC linked the outbreak to the Quarter Pounders, McDonald’s stock dropped by nearly 8%. Federal investigators are examining ground beef and onions as potential sources of contamination, which could have serious implications if McDonald’s is found responsible for the outbreak.