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Comparative Study
. 2010 Apr;48(4):1450-1.
doi: 10.1128/JCM.02103-09. Epub 2010 Feb 24.

Performance of a new chromogenic medium, BBL CHROMagar MRSA II (BD), for detection of methicillin-resistant Staphylococcus aureus in screening samples

Kristien Van Vaerenbergh  1 , Reinoud Cartuyvels, Guy Coppens, Johan Frans, Anne-Marie Van den Abeele, Hans De Beenhouwer; BILULU Group
Affiliations
Comparative Study

Performance of a new chromogenic medium, BBL CHROMagar MRSA II (BD), for detection of methicillin-resistant Staphylococcus aureus in screening samples

Kristien Van Vaerenbergh et al. J Clin Microbiol. 2010 Apr.

Abstract

Two chromogenic media for the detection of MRSA were compared: BBL CHROMagar MRSA II (BD) and MRSA ID agar (bioMérieux). Following overnight nonselective enrichment, 1,919 screening samples were inoculated on both chromogenic agars. After 24 h, the sensitivities of both media were high and comparable. Both media showed an important decrease in specificity after 48 h of incubation (decreases of 8% for MRSA II and 10% for MRSA ID), but MRSA II was significantly more specific at both time points.

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