What Is Mrsa, Mrsa Cured, What Is Mrsa Infection, Mrsa Bacteremia, Mrsa Infection Treatment . What Is MRSA? Methicillin resistant Staphylococcus aureus (MRSA) is an infection caused by a type of Staphylococcus, or staph, bacteria that’s resistant to many different antibiotics. These bacteria naturally live in the nose and on the skin and generally don’t cause any harm. However, when they begin to multiply uncontrollably, a MRSA infection can occur. These infections ty
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