<unk>  is a rare serotype of<unk>  coli, a species of bacteria that lives in the lower intestines of mammals. Although there are many serotypes of E. coli, when in animals, there are benefits or do not cause disease. Some serotypes of E. coli have been recognized as pathogenic to humans, e.g. E. coli O157:H7, E. coli O121 and E. coli O104:H21.
Escherichia coli O104:H21
Escherichia coli O104:H4
Escherichia coli O121
Escherichia coli O157:H7
Enteroaggregative Escherichia coli
Campylobacter upsaliensis
Salmonella enterica subsp. enterica
Prevotella bivia