Escherichia coli, commonly abbreviated as E. coli, is a type of bacteria that is most commonly associated with outbreaks of foodborne illness. This bacterium is present in the digestive tracts of humans and some animals, and it can cause a range of infections, from mild diarrhea to more serious conditions like urinary tract infections and meningitis. In order to prevent the spread of E. coli, it is important to be aware of the various synonyms for this bacterium. Some of the most common synonyms include E. coli O157:H7, ECEH, STEC (Shiga toxin-producing E. coli), and EAggEC (Enteroaggregative E. coli). By knowing these synonyms, individuals can better understand the risk of foodborne illness associated with this bacterium.