Table 1. Demographic and clinical characteristics of the 402 probable or confirmed cases.
| Demographic and clinical characteristics | Number of cases (%) | |
|---|---|---|
| Age, years | 0–34 | 81 (20.2%) |
| 35–50 | 95 (23.6%) | |
| 51–64 | 99 (24.6%) | |
| >65 | 127 (31.6%) | |
| Sex | Male | 184 (45.8%) |
| Female | 218 (54.2%) | |
| Body temperature | <37.8 °C | 13 (3.2%) |
| > = 37.8 °C | 389 (96.8%) | |
| Hospital admission | No | 367 (90.6%) |
| Yes | 35 (9.4%) | |
| Arthritis | No | 243 (60.4%) |
| Yes | 159 (39.6%) | |
| Headache | No | 196 (48.8%) |
| Yes | 206 (51.2%) | |
| Myalgia | No | 148 (36.8%) |
| Yes | 254 (63.2%) | |
| Retro orbital pain | No | 353 (87.8%) |
| Yes | 49 (12.2%) | |
| Conjuntivitis | No | 342 (85.1%) |
| Yes | 60 (14.9%) | |
| Rash | No | 149 (37.1%) |
| Yes | 253 (62.9%) | |
| Asthenia | No | 91 (22.6%) |
| Yes | 311 (77.4%) | |
| Arthralgia | No | 17 (4.2%) |
| Yes | 385 (95.8%) | |