TABLE 1

Characteristics of the A. baumannii study isolates

IsolateDate of isolation (mo/day/yr)SpecimenColistin TDS MIC (μg/ml)/susceptibility statusablaOXA genesPFGE typeSTpmrB genotype
Ab2488/3/2008Pus0.5/SblaOXA-66, blaOXA-58Ia2Wild type
Ab2498/26/2008Pus128/RblaOXA-66, blaOXA-58Ia2P233S
Ab29910/17/2008Bronchial secretion0.5/SblaOXA-66, blaOXA-58Ib2Wild type
Ab3471/30/2009Bronchial secretion32/RblaOXA-66, blaOXA-58Ib2P170L
  • a S, susceptible; R, resistant.