Current trends in Community-acquired methicillin-resistant Staphylococcus aureus in Argentina

Marta Mollerach

Affiliation: University of Buenos Aires, Department of Microbiology, Immunology and Biotechnology

Keywords: CA-MRSA, methicillin-resistance, Staphylococcus aureus, infection, multicenter studies

DOI: 10.17160/josha.2.3.33

Languages: English

Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) infections have become a major concern worldwide. Different from hospital-acquired MRSA, CA-MRSA usually is staphylococcal cassette chromosome (SCCmec) type IV, carries genes for Panton-Valentine leukocidin (PVL) and is susceptible to several non ß-lactam antibiotics. The epidemic of CA- MRSA is evolving. A specific clone that is initially propagating and causing CA-MRSA infections can be displaced by a more successful one. In Argentina, previous studies have identified sequence type 5 (ST5), SCCmec IV, spa type 311 as the predominant CA-MRSA clone causing infections and colonizing children.

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