Enterococcus faecalis is a Gram-positive, nonmotile, facultative anaerobic microbe. Vancomycin Resistant Enterococcus (VRE) are strains that are resistant to the antibiotic vancomycin.

Is Enterococcus faecium VRE?

E. faecium is the most common species of VRE. These bacteria are not the same genus as other common fecal bacteria such as E. coli.

Is Enterococcus Casseliflavus VRE?

Enterococcus casseliflavus is a rare non-faecium, non-faecalis, vancomycin-resistant enterococcus (VRE) that colonises human intestines and hepato- biliary tracts. It is a rare cause of clinically signif- icant infections in immunocompromised patients with previous exposure to antibiotics.