Effects of social distancing and isolation on epidemic spreading modeled via dynamical density functional theory.

Effects of social distancing and isolation on epidemic spreading modeled via dynamical density functional theory.
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基于动态密度泛函理论的社会距离和隔离对流行病传播的影响。

DOI:
10.1038/s41467-020-19024-0
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发表时间:
2020-11-04
影响因子:
16.6
通讯作者:
Wittkowski R
Wittkowski R
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Te Vrugt M;Bickmann J;Wittkowski R

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为防止冠状病毒病COVID-19等流行病传播,保持社交距离及隔离受感染人士至关重要。然而,现有的反应扩散方程的流行病传播是无法描述这些影响。在这项工作中,我们提出了一个扩展的疾病传播模型的基础上相结合的易感染的恢复模型与动态密度泛函理论,其中明确考虑到社会距离和隔离的感染者。我们表明,该模型具有有趣的瞬态相分离与减少感染的数量,并允许新的见解控制流行病。描述流行病传播的现有模型需要更新,以捕捉社交距离和隔离的影响。te Vrugt等人提出了一个扩展模型,通过将人与具有排斥相互作用的扩散粒子进行类比,这些排斥相互作用对应于社会距离。
For preventing the spread of epidemics such as the coronavirus disease COVID-19, social distancing and the isolation of infected persons are crucial. However, existing reaction-diffusion equations for epidemic spreading are incapable of describing these effects. In this work, we present an extended model for disease spread based on combining a susceptible-infected-recovered model with a dynamical density functional theory where social distancing and isolation of infected persons are explicitly taken into account. We show that the model exhibits interesting transient phase separation associated with a reduction of the number of infections, and allows for new insights into the control of pandemics. Existing models describing epidemic spreading need an update to capture effects of social distancing and isolation. An extended model is proposed by te Vrugt et al. by drawing an analogy between persons and diffusing particles with repulsive interactions that correspond to social distancing.
DOI: 10.1007/978-0-8176-4946-3_12
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