Spread of infectious diseases in directed and modular metapopulation networks

Hartmut H. K. Lentz, Thomas Selhorst, and Igor M. Sokolov
Phys. Rev. E 85, 066111 – Published 11 June 2012

Abstract

We consider epidemics in metapopulations on different network topologies. Recent work on epidemics on networks has focused on epidemics of humans. In this work we present a model for epidemics on directed networks, which are found, for example, in the livestock trade. We show that the direction of edges and the modular structure of networks have an impact on the outbreak size and the time of the outbreak peak. In some circumstances, the outbreak size in directed networks can even be larger than in undirected systems. The results presented here could be useful for decision-making processes in directed modular systems.

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  • Received 27 October 2011

DOI:https://doi.org/10.1103/PhysRevE.85.066111

©2012 American Physical Society

Authors & Affiliations

Hartmut H. K. Lentz1,2, Thomas Selhorst2, and Igor M. Sokolov1

  • 1Institut für Physik, Humboldt-Universität zu Berlin, Newtonstr. 15, 12489 Berlin, Germany
  • 2Institut für Epidemiologie, Friedrich-Loeffler-Institut, Seestr. 55, 16868 Wusterhausen, Germany

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Issue

Vol. 85, Iss. 6 — June 2012

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