Molecular epidemiology of methicillin-resistant Staphylococcus aureus in a Spanish hospital over a 4-year period: clonal replacement, decreased antimicrobial resistance, and identification of community-acquired and livestock-associated clones.

Abstract excerpt

This study was carried out on 189 methicillin-resistant Staphylococcus aureus (MRSA) clinical isolates collected in a third-level hospital in Valladolid, Spain, between 2005 and 2008 in order to investigate the changes in molecular epidemiology and genetic backgrounds associated with the changes in resistance phenotypes produced over time. The MRSA isolates were classified as belonging to 10 different clones,...

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