Volume 13, Number 3—March 2007
    
    Letter
CTX-M Extended-spectrum β-Lactamases, Washington State
Table
MICs of antimicrobial drugs for Shigella sonnei clinical isolate WA7593 and its transconjugant WA7593TC1
| Antimicrobial drug | MIC (μg/mL) | |
|---|---|---|
| WA7593 | WA7593TC1 | |
| Ampicillin | >256 | >256 | 
| Cephalothin | >256 | >256 | 
| Cefotaxime | >32 | >32 | 
| Ceftazidime | 4 | 4 | 
| Ceftriaxone | >32 | >32 | 
| Cefaclor | >256 | >256 | 
| Imipenem | 0.19 | 0.25 | 
| Trimethoprim/sulfamethoxazole | >32 | 0.032 | 
Page created: June 29, 2010
                            Page updated: June 29, 2010
                            Page reviewed: June 29, 2010
        
    The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.