国家卫生服务局COVID-19应用程序的流行病学影响
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在PubMed上查看摘要
概括
此摘要是机器生成的。国家卫生服务 (NHS) 的COVID-19应用程序预计在英格兰和威尔士避免了284,000至594,000例病例. 应用程序使用量增加与COVID-19病例数量减少有关,支持数字联系人追踪.
科学领域
- 公共卫生
- 流行病学
- 数字健康
背景情况
- 数字联系追踪应用程序在COVID-19大流行期间出现,以制疾病的传播.
- 虽然在理论上有支持,但这些应用程序的实际流行病影响仍然不确定.
- 国家卫生服务 (NHS) COVID-19 应用程序于 2020 年 9 月在英格兰和威尔士推出.
研究的目的
- 调查英格兰和威尔士NHS COVID-19应用程序的流行病影响.
- 通过使用该应用程序来估计避免的COVID-19病例数量.
- 确定应用的普及率与病例减少之间的关系.
主要方法
- 2020年9月至12月应用使用数据分析,覆盖约1650万用户.
- 与手动追踪接触者相比,应用程序通知个人的二次攻击率 (SAR) 的估计.
- 用于估计避免病例的两种互补方法:基于通知/SAR的建模和地方当局的统计比较.
主要成果
- 该应用程序发送了大约170万次曝光通知.
- 应用程序通知个人的二次攻击率为6%,类似于手动追踪.
- 估计预防的病例在284,000 (建模) 到594,000 (统计分析) 之间.
- 每个同意通知的COVID-19病例中,大约有1个病例被避免.
- 应用的使用率上升1%与病例减少0.8%至2.3%有关.
结论
- 国家卫生健康局的COVID-19应用程序在预防COVID-19病例方面表现出显著的影响.
- 这些发现支持数字联系人追踪应用程序的持续开发和部署.
- 这些工具是有价值的公共卫生干预措施,
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