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Earlier studies have suggested that HIV-infected individuals have an increased prevalence of nasal colonization with community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) and a greatly increased risk for CA-MRSA skin and soft-tissue infections. To explore the prevalence and colonization burden of CA-MRSA in HIV-infected and HIV-uninfected individuals, researchers studied patients admitted to a general medicine or HIV ward service at a Chicago hospital between March 2011 and April 2012.
Patients were enrolled within 72 hours after admission and were swabbed for CA-MRSA at sites typical for colonization. Risk factors for CA-MRSA colonization were determined using a targeted questionnaire and review of medical records. Of t…