TABLE 1.
Antibiograms of the 11 isolates determined by the broth microdilution method and the Etest
| Isolate | Date of isolation (mo/day/yr) | MIC (μg/ml)a
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rifampin | Linezolid | Fusidic acid | Ceftobiprole | Vancomycin
|
Daptomycin
|
Tigecycline
|
|||||
| Broth microdilution method | Etest | Broth microdilution method | Etest | Broth microdilution method | Etest | ||||||
| 1 | 3/30/07 | >32 | 1 | 0.12 | 2 | 1 | 1.5 | 1 | 0.75 | 0.12 | 0.094 |
| 2 | 4/19/07 | >32 | 1 | 0.12 | 2 | 2 | 1.5 | 1 | 0.75 | 0.12 | 0.094 |
| 3 | 4/21/07 | >32 | 1 | 0.12 | 2 | 2 | 1.5 | 1 | 0.75 | 0.12 | 0.094 |
| 4 | 5/7/07 | >32 | 1 | 0.12 | 2 | 2 | 1.5 | 1 | 2 | 0.12 | 0.125 |
| 5 | 5/10/07 | >32 | 1 | 0.12 | 2 | 2 | 4 | 2 | 2 | 0.12 | 0.125 |
| 6 | 5/17/07 | >32 | 1 | 0.12 | 4 | 4 | 4 | 4 | 4 | 0.12 | 0.25 |
| 7 | 5/20/07 | >32 | 1 | 0.12 | 4 | 4 | 8 | 4 | 4 | 0.25 | 0.25 |
| 8 | 5/25/07 | >32 | 1 | 0.12 | 4 | 4 | 8 | 4 | 4 | 0.25 | 0.25 |
| 9 | 5/28/07 | >32 | 1 | 0.12 | 4 | 4 | 8 | 4 | 4 | 0.25 | 0.25 |
| 10 | 5/31/07 | >32 | 1 | 0.12 | 4 | 4 | 8 | 4 | 4 | 0.25 | 0.25 |
| 11 | 6/3/07 | >32 | 1 | 0.12 | 4 | 4 | 8 | 4 | 4 | 0.25 | 0.25 |
| Mu3 | 2 | 3 | |||||||||
| Mu50 | 4 | 10 | |||||||||
a
Isolates were tested with rifampin, linezolid, fusidic acid, and ceftobiprole by the broth microdilution method only.