Framework for assessing and easing global COVID-19 travel restrictions.

Framework for assessing and easing global COVID-19 travel restrictions.
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DOI:
10.1038/s41598-022-10678-y
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发表时间:
2022-04-28
期刊:
影响因子:
4.6
通讯作者:
Onnela, Jukka-Pekka
Onnela, Jukka-Pekka
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Thien-Minh Le;Raynal, Louis;Talbot, Octavious;Hambridge, Hali;Drovandi, Christopher;Mira, Antonietta;Mengersen, Kerrie;Onnela, Jukka-Pekka

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在COVID-19疫情期间,许多国家实施国际旅行限制,旨在遏制病毒传播,同时出于社会和经济原因仍允许必要的跨境旅行。这些方法控制大流行的相对有效性在很大程度上没有得到研究。在这里,我们开发了一个灵活的网络元人口模型来比较国际旅行政策的有效性,重点是评估政策协调的好处。由于国家一级的流行病学参数是未知的,它们需要从数据中估计;我们使用近似贝叶斯计算完成了这一点,考虑到我们复杂的随机疾病传播模型的性质。根据模拟和理论分析,我们发现,在我们提出的政策下,国际航空旅行可能恢复到大流行前水平的58%,而大流行控制相当于完全关闭所有航空旅行。我们的研究结果表明,全球协调是必要的,以允许最大限度的旅行,对病毒传播的影响最小。
During the COVID-19 pandemic, many countries implemented international travel restrictions that aimed to contain viral spread while still allowing necessary cross-border travel for social and economic reasons. The relative effectiveness of these approaches for controlling the pandemic has gone largely unstudied. Here we developed a flexible network meta-population model to compare the effectiveness of international travel policies, with a focus on evaluating the benefit of policy coordination. Because country-level epidemiological parameters are unknown, they need to be estimated from data; we accomplished this using approximate Bayesian computation, given the nature of our complex stochastic disease transmission model. Based on simulation and theoretical insights we find that, under our proposed policy, international airline travel may resume up to 58% of the pre-pandemic level with pandemic control comparable to that of a complete shutdown of all airline travel. Our results demonstrate that global coordination is necessary to allow for maximum travel with minimum effect on viral spread.
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