Staphylococcus species, coagulase-negative

Staphylococcus species, coagulase-negative

includes a group of species present as normal flora of human skin, respiratory, and mucous membrane surfaces. Although a normal commensal, strains are prominent causes of nosocomial infections, especially in patients with implanted intravenous access devices; some strains are abscess forming and cause diverse infections including sinusitis, wound infections, and osteomyelitis.