VR1604

VRE Screen: VR1604-1: Negative; VR1604-2: Negative; VR1604-3: VRE (vanB); VR1604-4: VRE (vanA)  – Shipped: April 25, 2016

Participants’ results

ChallengeExpected ResultsPositiveNegativeOther
VR1604-1Negative12 (acceptable)
VR1604-2Negative12 acceptable)
VR1604-3VRE vanB positive71 (unacceptable)1 van A negative, van B not tested (ungraded)
3 indeterminate, presumptive VRE positive, refer (acceptable)
VR1604-4VRE vanA positive111 (unacceptable)

CMPT QC/QA/Statistics: 

All samples were produced by CMPT. Samples were randomly selected for QC/QA. Statistics are not applicable in qualitative surveys. CMPT results are listed in the above table.

Samples VR1604-1 and -2 were E. faecalis vanA & B negative, sample 3 was E. faecalis vanB positive, but vanA negative and sample VR1604-4 was E. faecium vanA positive and vanB negative. All samples were homogenous and stable for 9 days from the date of production, April 19, 2016.

Posted in Screening Bacteriology Results