Staphlococcus Aureus which I will hence forth refer to as only Staph, is a gram positive bacteria which is found in the skin areas of the nose and on the skin. So basically a huge population of human beings are permanent carries of this bacteria. Staph can cause a range of minor skin infections and illnesses such as pimples,impetigo,furuncles or boils as they are commonly known, cellulities follculitis, carbuncles, scalded skin syndrome and abscesses. The life threatening illnesses caused by staph are pneumonia, meningitis, osteomyelitis, endocarditis, toxic shock syndrome (TSS), chest pain, bacteremia, and sepsis.
Methicillin-resistant S. aureus, abbreviated MRSA is greatly feared strain of the Staph which has become resistant to most antibiotics. Otherwise Staph generally responds very will to pencillin based antibiotic treatments.