| Presumptive diagnosis | Staff | Percentage |
| Meningitis | 159 | 48.1 |
| Salmonellosis | 47 | 14.2 |
| bronchopneumonia with banal germs | 44 | 13.3 |
| Pulmonary tuberculosis | 43 | 13 |
| Urinary tract infections | 19 | 6 |
| Cerebral toxoplasmosis | 7 | 2.1 |
| Pneumocystis | 6 | 1.8 |
| Intestinal amoebiasis | 5 | 1.5 |
| Total | 330 | 100 |