Staphylococcus aureus is a type of germ that about 30% of people carry with them. In general, staph does not cause harm; It can however, causes infections that are dangerous. In healthcare settings, these staph infections can be serious or fatal,
Bacteremia or sepsis when bacteria spread to the bloodstream.
Pneumonia, which most often affects people with underlying lung disease including those on mechanical ventilators.
Endocarditis (infection of the heart valves), which can lead to heart failure or stroke.
Osteomyelitis (bone infection), which can be caused by staph bacteria traveling in the bloodstream or put there by direct contact such as following trauma (puncture wound of foot or intravenous (IV) drug abuse).