Epidemiological Characteristics and Space-Time Analysis of the 2015 Dengue Outbreak in the Metropolitan Region of Tainan City, Taiwan.
Epidemiological Characteristics and Space-Time Analysis of the 2015 Dengue Outbreak in the Metropolitan Region of Tainan City, Taiwan.
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DOI：
10.3390/ijerph15030396
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发表时间：
2018-02-26
影响因子：
--
通讯作者：
Chaves LF
中科院分区：
文献类型：
--
作者：
Chuang TW;Ng KC;Nguyen TL;Chaves LF
台湾南部台南市大都市区于 2015 年爆发了登革热疫情。本文描述了此次疫情的基本流行病学特征，并使用时空分析工具来了解疫情期间登革热的传播情况。分析发现，无论性别如何，登革热发病率随着年龄的增长而增加，40 岁以下的男性发病率较高，但 40 岁以上的女性发病率较高。应用空间扫描统计来检测疾病传播的集群。扫描统计发现，登革热呈南北扩散方向，横跨台南市北区、中西区、南区。空间回归模型用于量化与传播相关的因素。该分析表明，住宅区比例高（或湿地覆盖率低）的社区与登革热传播有关。然而，这些关联模式是非线性的。这里提出的研究结果可以帮助台湾公共卫生机构了解2015年台南市登革热疫情的基本流行病学特征和传播模式。此类信息对于制定预防未来不受控制的登革热疫情爆发的政策至关重要，因为这项研究的结果表明，应在台南市北部和中西部地区以及住宅用地覆盖率适中的地区强调控制干预措施。
The metropolitan region of Tainan City in southern Taiwan experienced a dengue outbreak in 2015. This manuscript describes basic epidemiological features of this outbreak and uses spatial and temporal analysis tools to understand the spread of dengue during the outbreak. The analysis found that, independently of gender, dengue incidence rate increased with age, and proportionally affected more males below the age of 40 years but females above the age of 40 years. A spatial scan statistic was applied to detect clusters of disease transmission. The scan statistic found that dengue spread in a north-south diffusion direction, which is across the North, West-Central and South districts of Tainan City. Spatial regression models were used to quantify factors associated with transmission. This analysis indicated that neighborhoods with high proportions of residential area (or low wetland cover) were associated with dengue transmission. However, these association patterns were non-linear. The findings presented here can help Taiwanese public health agencies to understand the fundamental epidemiological characteristics and diffusion patterns of the 2015 dengue outbreak in Tainan City. This type of information is fundamental for policy making to prevent future uncontrolled dengue outbreaks, given that results from this study suggest that control interventions should be emphasized in the North and West-Central districts of Tainan city, in areas with a moderate percentage of residential land cover.
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影响因子：
11.8
作者：
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通讯作者：
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影响因子：
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影响因子：
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通讯作者：
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