<unk>  is a large genus of lactic acid bacteria of the phylum Bacillota. Enterococci are gram-positive cocci that often occur in pairs (diplococci) or short chains, and are difficult to distinguish from streptococci on physical characteristics alone. Two species are common commensal organisms in the intestines of humans: E. faecalis (90–95%) and E. faecium (5–10%). Rare clusters of infections occur with other species, including E. casseliflavus, E. gallinarum, and E. raffinosus.
Enterococcus
Streptococcus
Lactobacillus
Salmonella
Bacillus cereus
Staphylococcus aureus
Enteroaggregative Escherichia coli
Actinobacillus