| Biological investigations | Result |
| Hemoglobin | 11 g/dl |
| Leukocyte | 11,900/mm3 |
| Platelet | 238,000/mm3 |
| Protein C reactive | 3.90 mg/l |
| Malaria thick smear | Negative |
| Natremia | 138 mmol/l |
| Kalemia | 3.2 mmol/l |