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2025-05-08T19:38:03
RDF description of Seasonality, annual trends, and characteristics of dengue among ill returned travelers, 1997-2006 - http://repository.healthpartners.com/individual/document-rn18996
19600
10.3201/eid1407.071412
2022-02-21T22:48:57.408-06:00
12510
7
Travel
Emerging Infectious Diseases
14
Longitudinal Studies
<p>We examined seasonality and annual trends for dengue cases among 522 returned travelers reported to the international GeoSentinel Surveillance Network. Dengue cases showed region-specific peaks for Southeast Asia (June, September), South Central Asia (October), South America (March), and the Caribbean (August, October). Travel-related dengue exhibited annual oscillations with several epidemics occurring during the study period. In Southeast Asia, annual proportionate morbidity increased from 50 dengue cases per 1,000 ill returned travelers in nonepidemic years to an average of 159 cases per 1,000 travelers during epidemic years. Dengue can thus be added to the list of diseases for which pretravel advice should include information on relative risk according to season. Also, dengue cases detected at atypical times in sentinel travelers may inform the international community of the onset of epidemic activity in specific areas.<p>
Seasonality, annual trends, and characteristics of dengue among ill returned travelers, 1997-2006
Infectious Diseases
public
Surveillance
document-rn18996