TABLE 2.

Characteristics of epidemic isolates

PatientIsolatePFGE typeIntegron size (bp)SHV-PCRGyrA mutationInferred efflux pump
1407A800, 1,000+++
2406A1a—,b1,000++
409800, 1,000+++
3412A1800, 1,000+++
4413A1800, 1,000++
5419A2800, 1,000+++
422—, —+++
498800, 1,000++
6421A3800,—+++
480—, —++
7482A2800, 1,000+++
8424A4—, —+++
9474A3800,—++
510800,—++
521A4′—, —+
9A575A4800,—++
10523A3800,—+++
11561800,—++
12562A3800,—++
13563A3800,—+++
15565A3800,—+
16568A3800,—+
17567A5800,—+
18625A3800,—+
19626A3800,—+
20627A3—, —+
21628800,—+
22629—, —+
23630800,—+
2423304—, —+
  • a PFGE types showing close relatedness are indicated by extension numbers (subtypes).

  • b —, gene fragment, mutation, or mechanism not detected or not present.