TABLE 2.

Characteristics of imipenem-resistant P aeruginosa isolates from environmental sourcesa

IsolateIsolation date (day/mo/yr)SourcePhenotypePFGE profile/serotypeZone diam (mm)blaVIM-2-like subtype by PCR
IMPIMP + EDTA
2/0125/05/03Stethoscope AICU 7OtherA/O12611+
2/0227/03/03Sink NICUOtherA/O12618+
2/0317/06/03Sink AICU 172A/O12616+
2/0417/06/03Sink AICU 182A/O12615+
2/0517/06/03Sink AICU 194A/Non O12613+
2/0617/06/03Sink AICU 204A/O12612+
2/0717/06/03Sink AICU 124A/O12612+
2/0817/06/03Sink AICU 134A/O12611+
2/0920/06/03Sink AICU 154A/O12611+
2/1020/06/03Sink NICU 1921A/O12621+
2/1120/06/03Sink NICU 1954L/O12612+
2/1220/06/03Sink AICU 1OtherJ/indeterminate612+
  • a Abbreviations: IMP, imipenem; NICU, neonatal ICU; AICU, adult ICU.