在大规模登革热爆发期间,评估不同人口密度地区紧急措施的影响
Chia-Hsien Lin1, Tzai-Hung Wen2
1Department of Health Promotion and Health Education, National Taiwan Normal University, Taipei City, Taiwan.
Heliyon
|March 21, 2024
概括
紧急措施在人口密集地区显著降低登革热风险,但在人口密度较低的地区,其影响不那么明显. 有效的载体管理对于控制登革热疫情至关重要.
科学领域:
- 流行病学 流行病学
- 公共卫生 公共卫生
- 载体传播疾病 载体传播疾病
背景情况:
- 登革热的传播受人口密度和气候因素的影响.
- 人口密集的地区由于人与蚊子的接触和适合的载体息地而增加了风险.
- 有效的载体管理对于登革热控制至关重要,但评估紧急响应的现实数据仍然有限.
研究的目的:
- 调查不同人口密度的地区紧急控制措施与登革热风险之间的关联.
- 分析不同人口密度对登革热控制战略有效性的影响.
- 以有限的资源为优化登革热管理提供见解.
主要方法:
- 利用了2015年台湾高雄市登革热爆发的数据.
- 采用分布式延迟非线性模型 (DLNM) 来评估紧急控制措施及其时间延迟.
- 分析了有关登革热病例,控制措施和气候因素的政府数据.
主要成果:
- 在人口密度高的地区,缺乏紧急措施显著增加了登革热风险;实施导致风险降低.
- 在人口密度较低的地区,登革热风险仅在没有紧急措施的情况下延迟1周时增加.
- 低人口密度地区的紧急活动仅在第一个星期的延迟时间内显著降低了登革热风险.
结论:
- 根据人口密度,在紧急控制措施和登革热风险之间存在明显的暴露-滞后-反应模式.
- 实施紧急活动对于降低高密度地区登革热风险至关重要.
- 在人口密度较低的地区,紧急活动的必要性可能不那么明显,为资源分配提供了洞察力.
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