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Clinical presentation of patients.
| Symptom | Frequency |
| Fever | 100% |
| Deterioration of the general state | 93.5% |
| Splenomegaly | 90.3% |
| Hemorrhagic manifestations | 51.6% |
| Hepatomegaly and/or lymphadenopathy | 48.4% |
| Skin damage | 9.7% |
| Pulmonary impairment | 3.2% |
