Impact of trans-regional travel-related testing on epidemic spreading

Hao Zou, Dian Sheng and Jiehui Jiang

Physica A: Statistical Mechanics and its Applications, 2024, vol. 643, issue C

Abstract: The convenient transport network enables people to travel quickly and frequently across regions, but it also brings serious challenges to the emergency management of infectious diseases. This work extends the classical SEIR model by incorporating trans-regional population movements and contact infections during travel. It also includes cross-regional population testing and treatment measures to curb the spread of infectious diseases across regions. According to these characteristics, a Net-SEIHR model is established and its diffusion properties are deduced. Further, the cooperative allocation problem of limited detection resources and its control strategy are discussed. Numerical experiments show that the control measures can reduce the speed of trans-regional transmission of infectious diseases and the peak of treatment. In the case of limited testing resources, it is necessary to strengthen the detection of people in the inflow regions.

Keywords: SEIR model; Trans-regional; Transport network; Limited testing resources; Cooperative allocation (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:643:y:2024:i:c:s0378437124003248

DOI: 10.1016/j.physa.2024.129815

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