Volume 9, Number 2—February 2003
Dispatch
Life-Threatening Infantile Diarrhea from Fluoroquinolone-Resistant Salmonella enteric Typhimurium with Mutations in Both gyrA and parC
Hideo Nakaya*
, Akihiro Yasuhara*, Ken Yoshimura*, Yukio Oshihoi*, Hidemasa Izumiya†, and Haruo Watanabe†
, Akihiro Yasuhara*, Ken Yoshimura*, Yukio Oshihoi*, Hidemasa Izumiya†, and Haruo Watanabe†
Table 1
MICs (µg/mL) of 18 antibiotics for Salmonella Typhimurium strains (ATCC13311 and KKH712)
| Antibiotics | ATCC13311 | KKH712 |
|---|---|---|
| Ampicillin |
<0.5 |
512 |
| Cefaclor |
0.5 |
1 |
| Cefazolin |
1 |
2 |
| Ceftazidime |
0.13 |
0.25 |
| Ceftriaxone |
<0.03 |
0.06 |
| Imipenem |
0.13 |
0.06 |
| Streptomycin |
8 |
512 |
| Kanamycin |
1 |
8 |
| Gentamicin |
0.25 |
32 |
| Amikacin |
0.5 |
1 |
| Tetracycline |
1 |
128 |
| Chloramphenicol |
4 |
>128 |
| Sulfamethoxazole/trimethoprim |
1 |
>128 |
| Fosfomycin |
0.5 |
0.5 |
| Nalidixic acid |
4 |
>512 |
| Levofloxacin |
<0.03 |
8 |
| Norfloxacin |
0.06 |
16 |
| Ciprofloxacin | <0.03 | 8 |
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