<unk>  is a Gram-positive, alpha-hemolytic or nonhemolytic bacterium in the genus<unk> . It can be commensal (innocuous, coexisting organism) in the human intestine, but it may also be pathogenic, causing diseases such as neonatal meningitis or endocarditis.
Vancomycin-resistant<unk>  is often referred to as VRE.
Some strains of<unk>  are used as probiotics in both animals, and humans.
Enterococcus faecium
Enterococcus faecalis
Bacillus cereus
Streptococcus anginosus
Pseudomonas aeruginosa
Staphylococcus haemolyticus
Methicillin-resistant staphylococcus aureus
Clostridium sordellii