Dengue Outbreaks in High-Income Area, Kaohsiung City, Taiwan, 2003-2009.

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  • Additional Information
    • Subject Terms:
      DENGUE viruses; EPIDEMIOLOGY; DISEASE incidence; OLDER people; PUBLIC health surveillance
    • Subject Terms:
      KAO-hsiung shih (Taiwan); TAIWAN
    • 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. [ABSTRACT FROM AUTHOR]
    • Abstract:
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