Mannitol-negative methicillin-resistant Staphylococcus aureus from nasal swab specimens in Brazil.

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Mannitol-negative methicillin-resistant Staphylococcus aureus from nasal swab specimens in Brazil.

Braz J Microbiol. 2015 Jun;46(2):531-3

Authors: Dos Santos DC, da Costa TM, Rabello RF, Alves FA, de Mondino SS

Abstract
The isolation of mannitol-negative methicillin-resistant Staphylococcus aureus from nasal swabs is reported. Among the 59 isolates, 9 (15%) isolates were mannitol-negative; all of these isolates were categorized as staphylococcal cassette chromosome mec (SCCmec) type IVa. This report emphasizes that mannitol fermentation on mannitol salt agar should not be used as the sole criterion when screening nasal swab specimens for S. aureus.

PMID: 26273270 [PubMed - in process]