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Dynamics of epidemic diseases on a growing adaptive network

Demirel, Güven and Barter, Edmund and Gross, Thilo (2017) 'Dynamics of epidemic diseases on a growing adaptive network.' Scientific Reports, 7 (1). 42352-. ISSN 2045-2322

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The study of epidemics on static networks has revealed important effects on disease prevalence of network topological features such as the variance of the degree distribution, i.e. the distribution of the number of neighbors of nodes, and the maximum degree. Here, we analyze an adaptive network where the degree distribution is not independent of epidemics but is shaped through disease-induced dynamics and mortality in a complex interplay. We study the dynamics of a network that grows according to a preferential attachment rule, while nodes are simultaneously removed from the network due to disease-induced mortality. We investigate the prevalence of the disease using individual-based simulations and a heterogeneous node approximation. Our results suggest that in this system in the thermodynamic limit no epidemic thresholds exist, while the interplay between network growth and epidemic spreading leads to exponential networks for any finite rate of infectiousness when the disease persists.

Item Type: Article
Uncontrolled Keywords: Communicable Diseases; Prevalence; Models, Biological; Computer Simulation; Epidemics
Subjects: Q Science > QA Mathematics
Divisions: Faculty of Social Sciences
Faculty of Social Sciences > Essex Business School
Faculty of Social Sciences > Essex Business School > Management Science and Entrepreneurship Group
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 10 Mar 2017 10:27
Last Modified: 06 Jan 2022 14:46

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