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Med Clin North Am. 2008 Nov;92(6):1377-90, x. doi: 10.1016/j.mcna.2008.07.002.

Geographic expansion of dengue: the impact of international travel.

Author information

  • 1Department of Medicine, Travelers' Screening and Vaccination Clinic, National University Hospital of Singapore, National University of Singapore, 5, Lower Kent Ridge, Singapore 119074. epvws@pacific.net.sg

Abstract

Dengue has emerged as an international public health problem. Reasons for the resurgence of dengue in the tropics and subtropics are complex and include unprecedented urbanization with substandard living conditions, lack of vector control, virus evolution, and international travel. Of all these factors, urbanization has probably had the most impact on the amplification of dengue within a given country, and travel has had the most impact for the spread of dengue from country to country and continent to continent. Epidemics of dengue, their seasonality, and oscillations over time are reflected by the epidemiology of dengue in travelers. Sentinel surveillance of travelers could augment existing national public health surveillance systems.

PMID:
19061757
[PubMed - indexed for MEDLINE]
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