| Strains | HEC | HET | ||
| MIC50 | MIC90 | MIC50 | MIC90 | |
| Bia 1 | 15.64 | 106.7 | * | * |
| Bia 2 | 15.71 × 106 | 3.47 × 109 | * | * |
| Njo 2 | 4.76 | 26.05 | 1.73 | 23.34 |