Table 1.

Results of PFGE Typing, vanA- PCR and E-Test of 19 VREF Isolates from the Outbreak

+, Positive; PFGE, pulsed-field gel electrophoresis; PCR, polymerase chain reaction; VREF, vancomycin-resistant Enterococcus faecium; MIC, minimum inhibitory concentration ; SICU, surgical intensive care unit; MICU, medical ICU; CICU, combined ICU.

^*An isolate from environment culture of ICU.