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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*Comments to Author , and Maria Grazia Ciufolini*
Author affiliations: *Istituto Superiore di Sanità, Rome, Italy; †Ministero della Salute, Rome, Italy;

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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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