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评估在港口控制全球呼吸道流行病的战略:一个建模研究
Tong Guan1,2, Sharon Esi Duoduwa1,2, S Balakumar1,2
1Saw Swee Hock School of Public Health, National University of Singapore, Singapore.
BMJ public health
|February 28, 2025
概括
实施航运船员的出发前隔离和测试可以显著减少COVID-19的爆发. 这一战略尽量减少供应链中断和港口拥堵,提高全球运输的流行病准备.
科学领域:
- 流行病学 流行病学
- 公共卫生 公共卫生
- 海上物流的海上物流
背景情况:
- COVID-19大流行凸显了全球航运供应链的脆弱性.
- 由于封锁和旅行禁令,航运人员和港口面临着巨大的压力.
- 干扰导致了大量的经济损失和延迟了必需品运输.
研究的目的:
- 评估船舶船员出发前检疫和检测策略.
- 为了减轻船上COVID-19的爆发,减少港口拥堵.
- 提高海上运输的流行病准备能力.
主要方法:
- 使用了1万艘船只和30万名船员的微型模拟模型.
- 研究了9种出境前控制策略,包括隔离时间和检测方法 (PCR,ART).
- 模拟包括各种COVID-19变种,流行率和隔离合规水平.
主要成果:
- 如果不进行干预,感染可能会高达47%的机组人员.
- 七天和14天的出发前隔离预防了成千上万的病例.
- 出境前的PCR测试,特别是与隔离一周相结合,显示出感染的最大减少,避免了超过111,000例.
结论:
- 在出发前的控制措施有效地限制了海上COVID-19的爆发.
- 这些策略减少了船舶上的活跃病例,并缓解了港口拥堵.
- 实施预登机控制有助于在流行病期间全球运输必需品.
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