Volume 14, Number 1—January 2008
Letter
Chikungunya and Dengue Viruses in Travelers
Loredana Nicoletti*, Massimo Ciccozzi*, Antonella Marchi*, Cristiano Fioretini*, Patrizia Martucci*, Fortunato D’Ancona*, Marta Ciofi degli Atti*, Maria Grazia Pompa†, Istituto Superiore di Sanità*
, and Maria Grazia Ciufolini*
, and Maria Grazia Ciufolini*
Table
Characteristics of 76 travelers studied
| Characteristic | Chikungunya virus–positive, no. (%) | Dengue virus–positive, no (%) | Seronegative, no. (%) |
|---|---|---|---|
| Total |
29 (100.0) |
13 (100.0) |
34 (100.0) |
| Sex | |||
| Male | 17 (58.6) | 6 (46.2) | 19 (55.9) |
| Female |
12 (41.4) |
7 (53.8) |
15 (44.1) |
| Age, y | |||
| 0–35 | 8 (27.6) | 4 (30.8) | 16 (47.0) |
| 36–50 | 11 (37.9) | 6 (46.1) | 14 (41.2) |
| >50 |
10 (34.5) |
3 (23.1) |
4 (11.8) |
| Days spent abroad | |||
| 0−15 | 18 (62.1) | 4 (30.8) | 20 (58.8) |
| >15 |
11 (37.9) |
9 (69.2) |
14 (41.2) |
| Area visited* | |||
| Africa | 2 (6.9) | 2 (15.4) | 6 (17.6) |
| African islands | 22 (75.9) | 0 | 8 (23.5) |
| Asia |
5 (17.2) |
11 (84.6) |
20 (58.8) |
| Nationality | |||
| Italian | 23 (79.3) | 9 (69.2) | 29 (85.3) |
| Other |
6 (20.7) |
4 (30.8) |
5 (14.7) |
| Rash | |||
| Yes | 19 (65.5) | 4 (30.8) | 6 (17.6) |
| No | 10 (34.5) | 9 (69.2) | 28 (82.3) |
*Africa, continental Africa; African Islands, Western Indian Ocean islands; Asia, India and Southeast Asia.
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