| Type of specimen | Pre-education (n = 39) | Post-education (n = 62) |
| Urine | 0 (0.0%) | 2 (3.2%) |
| Sputum | 33 (84.5%) | 28 (45.2%) |
| LCS | 0 (0.0%) | 1 (1.6%) |
| Blood | 5 (13%) | 31 (50%) |
| Bronchial Secretion | 1 (2.5%) | 0 (0.0%) |