"Staph," or staphylococcus aureus, is a bacteria commonly found on the skin.
ORSA or MRSA
ORSA stands for oxacillin resistant staph aureus. MRSA stands for methicillin resistant staph aureus. ORSA and MRSA are different names for the same bacteria.
Oxacillin and methicillin are in the penicillin drug family, and some strains of staph have become resistant to both of these antibiotics as well as other related antibiotics. Other drugs can be used to treat infections caused by this bacteria.
Where Are ORSA, MRSA and Staph Found?
Anywhere on your skin and commonly, in your nose and other moist locations.