Dengue outbreak investigations in a high-income urban setting, Kaohsiung City in Taiwan, 2003-2009

Chia-Hsien Lin; Karin Linda Schiøler; Martin Rudbeck Jepsen; Chi-Kung Ho; Shu-Hua Li; Flemming Konradsen

doi:10.3201/eid1810.111929

Dengue outbreak investigations in a high-income urban setting, Kaohsiung City in Taiwan, 2003-2009

Chia-Hsien Lin, Karin Linda Schiøler, Martin Rudbeck Jepsen, Chi-Kung Ho, Shu-Hua Li, Flemming Konradsen

41 Citations (Scopus)

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.

Original language	English
Journal	Emerging Infectious Diseases (Print Edition)
Volume	18
Issue number	10
Pages (from-to)	1603-1611
Number of pages	9
ISSN	1080-6040
DOIs	https://doi.org/10.3201/eid1810.111929
Publication status	Published - 2012

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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.",

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T1 - Dengue outbreak investigations in a high-income urban setting, Kaohsiung City in Taiwan, 2003-2009

AU - Lin, Chia-Hsien

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AU - Jepsen, Martin Rudbeck

AU - Ho, Chi-Kung

AU - Li, Shu-Hua

AU - Konradsen, Flemming

PY - 2012

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N2 - 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.

AB - 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.

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Dengue outbreak investigations in a high-income urban setting, Kaohsiung City in Taiwan, 2003-2009

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