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. 2007 Aug;45(8):2698-700.
doi: 10.1128/JCM.00759-07. Epub 2007 Jun 20.

Quality control of direct molecular diagnostics for methicillin-resistant Staphylococcus aureus

Alex van Belkum  1 , Hubert G M Niesters, William G MacKay, Willem B van Leeuwen
Affiliations

Quality control of direct molecular diagnostics for methicillin-resistant Staphylococcus aureus

Alex van Belkum et al. J Clin Microbiol. 2007 Aug.

Abstract

Ten samples containing various amounts of methicillin-resistant Staphylococcus aureus (MRSA), methicillin-susceptible S. aureus, methicillin-resistant Staphylococcus epidermidis (MRSE), and combinations thereof were distributed to 51 laboratories for molecular diagnostics testing. Samples containing 10(2) to 10(3) MRSA cells were frequently reported to be negative. MRSE samples were scored as negative by all commercial tests but by only two out of three in-house tests.

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