DOI: 10.1097/INF.0b013e31818a3450

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PMID: 18820590

Issn Print: 0891-3668

Publication Date: 2008/10/01


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Community-Associated Methicillin-Resistant : Epidemiology and UpdateStaphylococcus aureus: Epidemiology and Update

Rachel J. Gorwitz

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Excerpt

Methicillin-resistant Staphylococcus aureus (MRSA) emerged as a cause of community-associated (CA) S. aureus infections in the 1990s. These strains were initially phenotypically and genetically distinct from those established in healthcare settings, suggesting that they arose de novo in the community. The term CA-MRSA refers to MRSA infections with onset in the community in persons that lack significant healthcare exposure. As with CA S. aureus infections in general, the majority of CA-MRSA infections are purulent skin and soft tissue infections (SSTIs), such as furuncles or abscesses. However, the spectrum of disease encompasses other recognized sites of S. aureus infection, including bloodstream infections, pneumonia, and musculoskeletal infections.

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