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区域感染风险指数COVID-19的扩张:使用移动数据和其应用于东京的移动方向透研究
Yukio Ohsawa1, Yi Sun1, Kaira Sekiguchi1
1School of Engineering, The University of Tokyo, Tokyo, Japan.
JMIR public health and surveillance
|July 22, 2024
概括
移动方向 (MDE) 量化了社区接触风险. 高MDE与COVID-19的传播相关,突出了其对大流行病控制和公共卫生战略的重要性.
科学领域:
- 流行病学和公共卫生.
- 移动数据分析 移动数据分析
- 传染病的动态传染病的动态.
背景情况:
- 由于COVID-19的流行,人们需要"呆在家里"等政策来限制社区间的接触.
- 这些政策受到不同,未报告的社区之间移动的个人的挑战,构成潜在风险.
- 评估这种接触的潜力对于有效的流行病缓解至关重要.
研究的目的:
- 开发一个物理索引来评估来自不同社区的个人之间的接触潜力.
- 创建一个SARS-CoV-2传播风险指标,可与现有指数结合使用.
- 评估移动方向 (MDE) 作为测量社区间接触风险的实用性.
主要方法:
- 拟议的移动方向 (MDE) 用于量化地方区域内个体移动方向的多样性.
- 计算了东京内陆市政府的MDE,使用COVID-19大流行前和期间的智能手机移动数据.
- 与MDE与传染病传播的相关性进行了比较,与其他指标 (如餐厅密度) 相比,在具有不同传染性的疾病中进行了比较.
主要成果:
- 在不同时间段中,MDE值表现出显著的稳定性 (斯皮尔曼等级相关性>0.9).
- 在53个内陆地区,MDE与COVID-19感染率有很强的相关性 (扩张期间的平均值为0.76).
- 在MDE高的地区,COVID-19的传播加速,在紧急声明期间,餐厅密度作为预测指标的表现优于餐厅密度;MDE在大量流入或白天移动的地区增加.
结论:
- 建议监测区域MDE值,以减少感染传播风险.
- 介绍了MDE的热图可视化方法,以提高公众对大流行期间接触促进行为的认识.
- 对于政策制定者和公众来说,MDE是一个有价值的工具,可以帮助他们了解和减轻传染病传播风险.
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