Distribution of initial resistance to antituberculous agents in 834 smear positive cases of tuberculosis, Cuba, 1995
| Drug | No. of cases | % |
| Isoniazid | 2 | 0.24 |
| Rifampicin | 1 | 0.12 |
| Streptomycin | 38 | 4.55 |
| Isoniazid/rifampicin | 1 | 0.12 |
| Streptomycin/rifampicin | 2 | 0.24 |
| Isoniazid/streptomycin | 8 | 0.95 |
| Isoniazid/streptomycin/rifampicin | 2 | 0.24 |
| Total | 54 | 6.5 |
Source: National Reference Laboratory.