| Clinical Symptoms | Chikungunya (n = 1812) % | Dengue Fever (n = 1215) % | Hemorrhagic Dengue Fever (n = 280) % |
| Fever | 100 | 100 | 100 |
| Headaches | 94 | 97 | 94 |
| Myalgia | 94 | 95 | 91 |
| Arthralgias | 80 | 93 | 90 |
| Polyarthralgias-Incapacitating | 84 | 0 | 0 |
| Ocular Pain | 59 | 83 | 73 |
| Exanthema | 66 | 25 | 37 |
| Arthritis | 64 | 0 | 0 |
| Conjunctivitis | 19 | 0 | 0 |
| Liquid Leak | 9 | 5 | 56 |
| Petequiae | 4 | 4 | 45 |
| Ecchymosis | 0.2 | 0 | 5 |
| Hematomas | 0.3 | 0 | 4 |
| Positive Tourniquet | 0 | 1 | 14 |
| Ascites | 0.1 | 0 | 3 |
| Edema | 12 | 0 | 3 |
| Pleural Effusion | 0 | 0 | 2 |
| Mottled Skin | 0.3 | 0 | 5 |
| Hemorrhage | 1.3 | 4 | 32 |
| Gingival | 1 | 1 | 17 |
| Epistaxis | 1 | 2 | 9 |
| Hematemesis | 0.3 | 0 | 4 |
| Melena | 0.2 | 0 | 3 |