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.
1 Antibiotics kill bacteria however your immune system is still required to finish the battle. 2  Any remaining bacteria not overcome can become stronger through mutation resulting in antibiotic resistance and stronger bacterial opponents. 3  Your intestines are loaded with bacteria.ast Facts. 1  Antibiotics kill bacteria however your immune system is still required to finish the battle. 2  Your intestines are loaded with bacteria. 3  A bacterial imbalance can result in yeast overgrowth.