| Intra-dermal Test Result | No. of Animals with IFN-γ +ve | No. of Animals with IFN-γ −ve | Total No. of Animals |
| CITT +ve | 10 | 30 | 40 |
| CITT −ve | 7 | 155 | 162 |
| Total | 17 | 185 | 202 |