期刊
CHAOS SOLITONS & FRACTALS
卷 160, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2022.112286
关键词
Epidemic spreading models; Non-Markovian processes; COVID-19; SIR model
资金
- German Research Foundation (DFG) [ME 1535/12-1]
- Faculty of Computer Science and Engineering, at the Ss. Cyril and Methodius University in Skopje, Macedonia
- German Research Foundation (DFG)
We introduce a non-Markovian SIR epidemic spreading model inspired by the characteristics of COVID-19, by considering discrete and continuous-time versions. By selecting appropriate functions, the model can be reduced to the classical Markovian case. The relevance of the model is demonstrated by modeling the first wave of the epidemic in Italy, Spain, and the UK in spring 2020.
We introduce non-Markovian SIR epidemic spreading model inspired by the characteristics of the COVID-19, by considering discrete-and continuous-time versions. The distributions of infection intensity and recovery period may take an arbitrary form. By taking corresponding choice of these functions, it is shown that the model reduces to the classical Markovian case. The epidemic threshold is analytically determined for arbitrary functions of infectivity and recovery and verified numerically. The relevance of the model is shown by modeling the first wave of the epidemic in Italy, Spain and the UK, in the spring, 2020.(c) 2022 Elsevier Ltd. All rights reserved.
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