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Causes and Risk Factors

MRSA infection is caused by a type of Staphylococcus aureus bacteria that is resistant to antibiotics used to treat most staph infections. Staphylococcus bacteria live normally on the skin and mucous membranes (e.g., nose) in about 30% of people. When these bacteria enter the body (e.g., through a cut or break in the skin, or a surgical wound), they can cause staph infection.

Patients who have recently been hospitalized (within the past year) and patients in long-t...Read the full article