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Volume 17, Number 5—May 2011
Research

Travel-related Dengue Virus Infection, the Netherlands, 2006–2007

Gijs G.G. BaatenComments to Author , Gerard J.B. Sonder, Hans L. Zaaijer, Tom van Gool, Joan A.P.C.M. Kint, and Anneke van den Hoek
Author affiliations: Author affiliations: Public Health Service, Amsterdam, the Netherlands (G.G.G. Baaten, G.J.B. Sonder, J.A.P.C.M. Kint, A. van den Hoek); Academic Medical Centre, Amsterdam (G.G.G. Baaten, G.J.B. Sonder, H.L. Zaaijer, T. van Gool, A. van den Hoek); National Coordination Centre for Traveller’s Health Advice, Amsterdam (G.G.G. Baaten, G.J.B. Sonder)

Main Article

Table 3

Attack rates and incidence rates of seroconversions in antibody levels for dengue virus in 1,207 persons who traveled from the Netherlands to dengue-endemic countries, October 1, 2006–September 30, 2007*

Region No. (%) persons at risk No. seroconversions Person-months of travel Attack rate, % (95% CI) Incidence rate, %† (95% CI)
All 1,207 (100) 14 959.2 1.2 (0.66–1.9) 14.6 (8.3–23.9)
Asia 569 (47) 8 474.3 1.4 (0.66–2.7) 16.9 (7.8–32.0)
Southeast Asia 375 (31) 6 324.0 1.6 (0.82–3.7) 18.5 (9.4–42.7)
South Asia 147 (12) 2 116.4 1.4 (0.034–3.3) 17.2 (0.43–42.4)
East Asia 98 (8) 0 86.2 0 0
Latin America 340 (28) 3 261.3 0.9 (0.23–2.4) 11.5 (2.9–31.3)
South America 219 (18) 3 184.5 1.4 (0.35–3.7) 16.3 (4.1–44.3)
Central America and Caribbean 135 (11) 0 96.0 0 0
Africa 298 (25) 3 223.5 1.0 (0.26–2.7) 13.4 (3.4–36.5)
West and Middle Africa 113 (9) 2 75.4 1.8 (0.30–5.7) 26.5 (4.5–87.6)
East Africa 140 (12) 1 109.4 0.7 (0.036–3.5) 9.1 (0.46–45.1)
Southern Africa 67 (6) 0 57.0 0 0

*CI, confidence interval; NA, not applicable.
†Per 1,000 person-months.

Main Article

Page created: August 08, 2011
Page updated: August 08, 2011
Page reviewed: August 08, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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