E Coli Outbreak 2024 What Food. Coli o157:h7 linked to slivered onions served on quarter pounder burgers at mcdonald’s. As part of an outbreak investigation announced by the cdc and the us food and drug administration on october 22, 90 cases of stec infection from 13 states have been.

Fda, cdc, and state partners continue investigating a multistate outbreak of e. Coli o157:h7 infections that has sickened 25 people.