- What we know about the McDonald’s E. coli outbreak investigationCNN
- Where People Got Sick: E. coli Outbreak, McDonald’s Quarter Pounders – October 22, 2024CDC
- McDonald’s provides update on E. coli breakout as shares drop amid scandalYahoo Finance
- McDonald’s, Food Safety Officials Scrutinize Onions in E. Coli OutbreakThe Wall Street Journal
- CDC told McDonald’s about potential E. coli outbreak late last weekCNBC