Enterococcus faecium
Hospitalized patients with weak immunity are at a great risk of Enterococcal infections due to prolonged use of antibiotics. Enterococci cause 10-15% of the infections transmitted  in a hospital that occur in the urinary tract, intra-abdomen and in the bloodstream. Among Enterococci, Enterococcus faecalis and Enterococcus faecium are the most common causative agents of human infections.