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You Should Know About...

The third isolate of VRSA to be reported in the USA. See MMWR Vol 53, No 15;322 04/23/2004
Brief Report: Vancomycin- Resistant Staphylococcus aureus - New York, 2004 [PDF 385.53KB]
The MMWR includes a suggestion to add a vancomycin BHI screen plata for S. aureus when using automated test systems. Check MASTER home page VISA/VRSA under Testing/Reporting Protocols for additional information on performance vancomycin screen.

As of January 2004, there is a new CLSI standards for routine antimicrobial susceptibility testing. Please note:

M100-S14 - contains updated test/report, interpretive criteria, and QC tables and more!

Latest developments with MRSA including community-associated strains

Laboratory Testing Guidelines

Newer CLSI Documents
. M2-A8 Performance standards for antimicrobial disk susceptibility tests; Approved standard, 8th edition. 2003

This updated standard contains current recommendations for disk diffusion testing. The 2003 versions of the test/report, interpretive criteria, and QC tables are provided with this standard.
. M7-A6
Methods for dilution antimicrobial susceptibility tests for bacteria that grow aerobically. Approved Standard, 6th edition. 2003

This updated new standard contains current recommendations for MIC testing. The 2003 versions of the test/report, interpretive criteria, and QC tables are provided with this standard.
. M11-A6

Methods for antimicrobial susceptibility testing of anaerobic bacteria; Approved standard, 6th edition. 2004

. M100-S14 Performance standards for antimicrobial susceptibility testing; 14th informational supplement. 2004

This document contains the updated test/report, interpretive criteria, and QC tables.  These tables are to be used with text documents M2-A8 and M7-A6.
. M39-A Analysis and presentation of cumulative antimicrobial susceptibility test data: Approved guideline. 2002

This guideline is now at the "approved" level. It describes methods for the recording and analysis of antimicrobial susceptibility test data, consisting of cumulative and ongoing summaries of susceptibility patterns of epidemiologically significant microorganisms.


 
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