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有限医疗资源在具有媒体报道和一般出生率的传染病模型中的作用

Role of limited medical resources in an epidemic model with media report and general birth rate.

作者信息

Hao Yicheng, Luo Yantao, Teng Zhidong

机构信息

College of Mathematics and System Science, Xinjiang University, Urumqi, 830017, PR China.

出版信息

Infect Dis Model. 2025 Jan 7;10(2):522-535. doi: 10.1016/j.idm.2025.01.001. eCollection 2025 Jun.

Abstract

This paper formulates an SEIRSHM epidemic model with general birth rate, media report and limited medical resources. Firstly, the well-posedness of the solutions and the extinction of the disease are discussed. Then, the existence of the endemic equilibrium is discussed and we find when ∗ > 1 and  = 1, there exhibits a backward bifurcation, if ∗ < 1 and  = 1, there exhibits a forward bifurcation. Finally, numerical simulations are carried out to illustrate the main results and show that media report and limited medical resources have a great impact on disease transmission.

摘要

本文构建了一个具有一般出生率、媒体报道和有限医疗资源的SEIRSHM传染病模型。首先,讨论了解的适定性和疾病的灭绝情况。然后,讨论了地方病平衡点的存在性,我们发现当∗>1且 = 1时,出现后向分支;当∗<1且 = 1时,出现前向分支。最后,进行了数值模拟以说明主要结果,并表明媒体报道和有限医疗资源对疾病传播有很大影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/756d/11772943/8ccb59136db8/gr1.jpg

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