TABLE 2.

β-Lactam MICs for CMY-2-containing strains

IsolateMIC (μg/ml)a
CROCAZCTXXNLFEPTZPIPMATMFOX
SS34>256>256>256322>2560.2532>256
C6/SS3416328160.5040.25464
DH/pACYC1840.0620.1250.0620.50.250.500.1250.52
DH/pNF1064>2566480.540.53264
  • a Abbreviations: CRO, ceftriaxone; CAZ, ceftazidime; CTX, cefotaxime; XNL, ceftiofur; FEP, cefepime; TZP, piperacillin-tazobactam; IPM, imipenem; ATM, aztreonam; FOX, cefoxitin.