Impact of diffusion on synchronization pattern of epidemics in non-identical meta-population networks

In epidemic networks, it has been demonstrated that implementing any intervention strategy on nodes with specific characteristics (such as a high degree or node betweenness) substantially diminishes the outbreak size. We extend this finding with a disease-spreading meta-population model using testki...

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Bibliographic Details
Published in:Chaos (Woodbury, N.Y.) N.Y.), 2024-10, Vol.34 (10)
Main Authors: Roy, Anika, Shekhar, Ujjwal, Bose, Aditi, Ghosh, Subrata, Nannuru, Santosh, Kumar Dana, Syamal, Hens, Chittaranjan
Format: Article
Language:English
Subjects:
Cluster Analysis
Clustering
Communicable Diseases - epidemiology
Computer Simulation
Epidemics
Humans
Networks
Nodes
Synchronism
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Summary:In epidemic networks, it has been demonstrated that implementing any intervention strategy on nodes with specific characteristics (such as a high degree or node betweenness) substantially diminishes the outbreak size. We extend this finding with a disease-spreading meta-population model using testkits to explore the influence of migration on infection dynamics within the distinct communities of the network. Notably, we observe that nodes equipped with testkits and no testkits tend to segregate into two separate clusters when migration is low, but above a critical migration rate, they coalesce into one single cluster. Based on this clustering phenomenon, we develop a reduced model and validate the emergent clustering behavior through comprehensive simulations. We observe this property in both homogeneous and heterogeneous networks.
ISSN:1054-1500
1089-7682
1089-7682
DOI:10.1063/5.0222358