Periodic epidemic outbursts explained by local saturation of clusters

Periodic epidemic outbursts explained by local saturation of clusters
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周期性流行病爆发可以用局部集群饱和来解释

DOI:
10.1101/2022.08.31.22279430
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发表时间:
2022
期刊:
Physical review. E
影响因子:
--
通讯作者:
J. Bertoglio
J. Bertoglio
中科院分区:
--
文献类型:
--
作者:
L. Gostiaux;W. Bos;J. Bertoglio

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将空间局部性的概念添加到易感染-感染-移除(或SIR)模型中,可以捕获流行病的局部饱和度。由此产生的流行病最小模型由五个具有恒定模型系数的常微分方程组成,重现了缓慢衰减的周期性爆发,如在COVID-19或西班牙流感流行病中观察到的那样。结果表明,如果免疫衰减,即使很慢,该模型产生一个完全周期的动态。
Adding the notion of spatial locality to the susceptible-infected-removed (or SIR) model, allows to capture local saturation of an epidemic. The resulting minimum model of an epidemic, consisting of five ordinar y differential equations with constant model coefficients, reproduces slowly decaying periodic outbursts, as observed in the COVID-19 or Spanish flu epidemic. It is shown that if immunity decays, even slowly, the model yields a fully periodic dynamics.
DOI: --
发表时间: 2011
期刊:
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发表时间: 2021-02-05
期刊: Science (New York, N.Y.)
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