Table 2.
Clinical history and symptoms at presentation.
| Total (n = 36) | Encephalitis (n = 26) * | Meningitis (n = 4) | Acute Flaccid Paralysis (n = 6) | |
|---|---|---|---|---|
| Recalled mosquito bite(s) | 8 (22.2%) | 6 (23.1%) | 2 (50.0%) | - |
| Recent travel to wooded area | 8 (22.2%) | 6 (23.1%) | 2 (50.0%) | - |
| Predominately works outdoors | 5 (13.9%) | 3 (11.5%) | 1 (25.0%) | 1 (16.7%) |
| Other sick contacts | 4 (11.1%) | 4 (15.4%) | - | - |
| Transferred from outside hospital | 16 (44.4%) | 12 (46.2%) | 1 (25.0%) | 3 (50.0%) |
| Systemic Symptoms | ||||
| Fever | 31 (86.1%) | 23 (88.5%) | 4 (100%) | 4 (66.7%) |
| Nausea and/or vomiting | 14 (38.9%) | 11 (42.3%) | - | 3 (50.0%) |
| Diarrhea | 12 (33.3%) | 11 (42.3%) | - | 1 (16.7%) |
| Abdominal pain | 5 (13.9%) | 5 (19.2%) | - | - |
| Rash | 3 (8.3%) | 2 (7.7%) | - | 1 (16.7%) |
| Cough | 6 (16.7%) | 5 (19.2%) | - | 1 (16.7%) |
| Shortness of breath | 7 (19.4%) | 4 (15.4%) | 1 (25.0%) | 2 (33.3%) |
| Neurologic Symptoms | ||||
| Headache | 16 (44.4%) | 9 (34.6%) | 4 (100%) | 3 (50.0%) |
| Neck stiffness | 7 (26.9%) | 4 (15.4%) | 2 (50.0%) | 1 (16.7%) |
| Lethargy | 23 (63.9%) | 19 (73.1%) | 2 (50.0%) | 2 (33.3%) |
| Altered mental status | 26 (72.2%) | 22 (84.6%) | 1 (25.0%) | 3 (50.0%) |
| Seizures/convulsions | - | - | - | - |
| Generalized weakness | 15 (41.7%) | 13 (50.0%) | - | 2 (33.3%) |
| Focal weakness | 9 (25.0%) | 3 (11.5%) | - | 6 (100%) |
| Tremor | 15 (41.7%) | 15 (57.7%) | - | - |
| Gait disturbance | 12 (46.2%) | 8 (30.8%) | 2 (50.0%) | 2 (33.3%) |
| Dizziness or vertigo | 10 (27.8%) | 7 (26.9%) | 3 (75.0%) | - |
* Two additional patients with AFP.