How is Staphylococcus aureus infection mainly caused?

Patient's question:

No

Doctor's answer:

Staphylococcus aureus is the most common pathogen causing purulent infections in humans. It can cause local purulent infections, as well as pneumonia, pseudomembranous colitis, pericarditis, and other conditions. In severe cases, it may even lead to systemic infections such as sepsis and bacteremia.