Overview of E. Coli Outbreak Brief History of E. Coli Outbreaks E. coli, a bacterium commonly found in the intestines of humans and animals, has been a longstanding public health concern. The first well-documented outbreak of E. coliO157:H7 occurred in 1982, linked to contaminated hamburgers. Since then, numerous outbreaks have emerged, often traced back to … Continue reading E. Coli Outbreak Update: Carrot Products Recalled