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Emerg Infect Dis. 2012 Oct;18(10):1603-11. doi: 10.3201/eid1810.111929.

Dengue outbreaks in high-income area, Kaohsiung City, Taiwan, 2003-2009.

Author information

1
University of Copenhagen, Copenhagen, Denmark. chlin1983@gmail.com

Abstract

Kaohsiung City, a modern metropolis of 1.5 million persons, has been the focus of dengue virus activity in Taiwan for several decades. The aim of this study was to provide a temporal and spatial description of dengue virus epidemiology in Kaohsiung City by using data for all laboratory-confirmed dengue cases during 2003-2009. We investigated age- and sex-dependent incidence rates and the spatiotemporal patterns of all cases confirmed through passive or active surveillance. Elderly persons were at particularly high risk for dengue virus-related sickness and death. Of all confirmed cases, ≈75% were detected through passive surveillance activities; case-patients detected through active surveillance included immediate family members, neighbors, and colleagues of confirmed case-patients. Changing patterns of case clustering could be due to the effect of unmeasured environmental and demographic factors.

PMID:
23017369
PMCID:
PMC3471615
DOI:
10.3201/eid1810.111929
[Indexed for MEDLINE]
Free PMC Article

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