Infection with community-associated MRSA is often diagnosed based on clinical suspicion, following review of the presenting history, risk factors, and physical examination. Healthcare-associated MRSA infection should similarly be suspected in patients with risk factors, prior history, and signs and symptoms consistent with an infectious process. The skin and other non-sterile body areas can be colonised without evidence of an infectious process. Culture and sensitivity is required to confirm the diagnosis of MRSA infection. CDC: MRSA homepage external link opens in a new window

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