What type of condition is Staphylococcus responsible for?

Staphylococcus is a genus of bacteria, and it is well-known for causing a variety of bacterial infections in humans. These infections can range from mild conditions, such as skin infections and boils, to more severe diseases, such as pneumonia, bloodstream infections, and surgical site infections. Recognizing that Staphylococcus is a bacterial organism is crucial for understanding its role in human health and disease management.

The other options refer to different classifications of pathogens. Viral infections are caused by viruses, which have distinct characteristics from bacteria, such as requiring a host cell to reproduce. Fungal infections are caused by fungi, which are also fundamentally different from bacteria in terms of structure and treatment. Parasitic infections involve organisms that live on or in a host and derive nutrients at the host's expense, which again is a different mechanism compared to bacterial infections. Understanding these distinctions helps clarify why Staphylococcus is categorized specifically under bacterial infections.