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E. coli bacteria often make the news. As a source of foodborne illness, E. coli can be deadly. But aren't E. coli also regular residents of our intestines? When do E. coli become the "bad guys"? To learn more about this common bacterium, take the following quiz.
Francesca Torriani, MD
Medical Director, Infection Prevention and Clinical Epidemiology
UC San Diego | School of Medicine