TABLE 3.

MICs of several antibiotics for the outbreak isolates

PatientIsolateaMIC (μg/ml)b
CAZATMGENCIPFOX
1407>256>256640.516
2406256256<0.250.254
409>256>25632264
3412>256>25632264
4413128128320.254
5419>256>25616264
422256256<0.25264
498>256>256320.252
6421>256>25616232
4801281280.50.252
7482256>25616264
8424>256>256<0.25264
9474256128320.254
51021320.254
5210.5<0.25<0.250.252
9A575420.50.252
10523256>256<0.25232
11561256128320.252
12562>256>256320.254
1356325625632416
15565256256320.254
1656825632320.254
17567256128320.254
18625>256>256320.254
19626256256320.254
20627128640.50.258
  • a Isolates are listed by the patients from whom they were isolated, and only the isolates differing from previous isolates from the same patient are shown. The MDR Klebsiella strain of patient 14 was lost.

  • b ATM, aztreonam; CAZ, ceftazidime; CIP, ciprofloxacin; FOX, cefoxitin; GEN, gentamicin.