is staphylococcus aureus a disesse
General Information about Staphylococcus aureus. Staphylococcus aureus [staf I lÅ-kok is aw ree us] (staph), is a type of bacteria that about 30% of people carry in their noses. Most of the time, staph does not cause any harm; however, sometimes staph causes infections.In healthcare settings, these infections can be serious or fatal, including:taph bacteria can also become resistant to certain antibiotics. These drug-resistant staph infections include: Methicillin-resistant Staphylococcus aureus (MRSA) , Vancomycin-intermediate Staphylococcus aureus (VISA), and Vancomycin-resistant Staphylococcus aureus (VRSA).