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. 2010 Apr;14(4):e334-43.
doi: 10.1016/j.ijid.2009.06.006. Epub 2009 Aug 27.

Spatial-temporal patterns of dengue in areas at risk of dengue hemorrhagic fever in Kaohsiung, Taiwan, 2002

Tzai-Hung Wen  1 , Neal H Lin, Day-Yu Chao, Kao-Pin Hwang, Chih-Chun Kan, Katherine Chun-Min Lin, Joseph Tsung-Shu Wu, Scott Yan-Jang Huang, I-Chun Fan, Chwan-Chuen King
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Free article

Spatial-temporal patterns of dengue in areas at risk of dengue hemorrhagic fever in Kaohsiung, Taiwan, 2002

Tzai-Hung Wen et al. Int J Infect Dis. 2010 Apr.
Free article

Abstract

Objective: This study aimed to examine whether spatial-temporal patterns of dengue can be used to identify areas at risk of dengue hemorrhagic fever (DHF).

Methods: Three indices - probability of case-occurrence, mean duration per wave, and transmission intensity - were used to differentiate eight local spatial-temporal patterns of dengue during the 2002 epidemic in Kaohsiung, Taiwan. DHF densities (DHF cases/km(2) per 100 dengue cases) in each spatial-temporal typed area were compared.

Results: Areas with three high indices correlated with the highest DHF density: (1) high transmission intensity only; (2) long duration of wave only, and (3) high transmission intensity plus long duration of wave. However, cumulative incidences of dengue cases were not correlated with DHF densities.

Conclusion: Three spatial-temporal indices of dengue could provide useful information to identify areas at high risk of DHF.

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