TABLE 3.
Antibiotic susceptibilities of O3:K6 and other strains of V. parahaemolyticus isolated from cases of food poisoning
| Antibiotic (amt [μg]) | % Resistanta
|
|
|---|---|---|
| Recent O3:K6 strainsb(n = 39) | Other strainsc(n = 18) | |
| Ampicillin (10) | 97.4 | 100 |
| Cephalothin (30) | 56.4 | 66.7 |
| Colistin (10) | 51.3 | 38.9 |
| Erythromycin (15) | 48.7 | 72.2 |
| Gentamicin (10) | 23.1 | 44.4 |
| Kanamycin (30) | 15.4 | 22.2 |
| Nalidixic acid (30) | 0.0 | 5.6 |
| Rifampin (5) | 69.2 | 62.5 |
| Streptomycin (10) | 41.0 | 38.9 |
| Tetracycline (30) | 10.3 | 5.6 |
| Tobramycin (10) | 23.1 | 27.8 |
| Vancomycin (30) | 92.3 | 88.9 |
a
The percentages of resistant strains are listed; others are sensitive or intermediately susceptible to these antibiotics.
b
O3:K6 strains isolated after 1996. n, number of strains.
c
Other V. parahaemolyticus strains, including O3:K6 strains and those frequently isolated serovars isolated in Taiwan and Japan before 1996.