Hi...... Staphylococcus aureus is a bacterium that is both an asymptomatic colonizer and frequent cause of disease in humans .... It is a highly versatile pathogen that causes a range of clinical manifestations of varying severity, and is the most commonly isolated pathogen in the setting of skin and soft-tissue infections, septic arthritis, pneumonia, endovascular infections, osteomyelitis, foreign-body associated infections......