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.
Penicillin antibiotics kill bacteria by disrupting the production of the bacterial cell wall, causing the microbes to burst. According to the University of Maryland Medical Center, amoxicillin was once one of the most commonly used penicillin antibiotics against urinary tract infections.