Overview. Staphylococcus aureus, often referred to as staph, is a very common bacteria. Approximately 25-30% of healthy people carry this organism on their skin or in their nose. Sometimes, staph causes an infection.Staph bacteria are the most common causes of skin infections in the United States.verview. Staphylococcus aureus, often referred to as staph, is a very common bacteria. Approximately 25-30% of healthy people carry this organism on their skin or in their nose. Sometimes, staph causes an infection.
Viruses are not killed by antibiotics; there are also other types of sickness, such as cancer, which cannot be killed by antibiotics. Antibiotics are only useful for treating â¦bacterial infections.
While all antibiotics will kill or stop the growth of bacteria, not all antibiotics are effective against the same bacteria, and not all antibiotics fight bacteria in the same way. The type of antibiotic your doctor prescribes to treat your infection depends on the type of bacteria causing that infection.