McDonald’s is navigating the fallout from an E. coli outbreak tied to its Quarter Pounder burgers. CEO Chris Kempczinski told investors the outbreak was now behind them, emphasizing that the situation appeared contained. The company stopped using onions from a supplier implicated in the outbreak and is reintroducing Quarter Pounders without slivered onions. CFO Ian Borden noted McDonald’s isn’t expecting significant financial impact and is focusing on restoring consumer trust.