Localization and spreading of diseases in complex networks

Using the susceptible-infected-susceptible model on unweighted and weighted networks, we consider the disease localization phenomenon. In contrast to the well-recognized point of view that diseases infect a finite fraction of vertices right above the epidemic threshold, we show that diseases can be...

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Bibliographic Details
Published in:Physical review letters 2012-09, Vol.109 (12), p.128702-128702, Article 128702
Main Authors: Goltsev, A V, Dorogovtsev, S N, Oliveira, J G, Mendes, J F F
Format: Article
Language:English
Subjects:
Disease Transmission, Infectious
Epidemics
Epidemiologic Methods
Models, Biological
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Summary:Using the susceptible-infected-susceptible model on unweighted and weighted networks, we consider the disease localization phenomenon. In contrast to the well-recognized point of view that diseases infect a finite fraction of vertices right above the epidemic threshold, we show that diseases can be localized on a finite number of vertices, where hubs and edges with large weights are centers of localization. Our results follow from the analysis of standard models of networks and empirical data for real-world networks.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.109.128702