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Epidemic Spreading with Heterogeneous Awareness on Human Networks

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  • Yanling Lu
  • Guoping Jiang
  • Zhengxin Wang

Abstract

The spontaneous awareness behavioral responses of individuals have a significant impact on epidemic spreading. In this paper, a modified Susceptible-Alert-Infected-Susceptible (SAIS) epidemic model with heterogeneous awareness is presented to study epidemic spreading in human networks and the impact of heterogeneous awareness on epidemic dynamics. In this model, when susceptible individuals receive awareness information about the presence of epidemic from their infected neighbor nodes, they will become alert individuals with heterogeneous awareness rate. Theoretical analysis and numerical simulations show that heterogeneous awareness can enhance the epidemic threshold with certain conditions and reduce the scale of virus outbreaks compared with no awareness. What is more, for the same awareness parameter, it also shows that heterogeneous awareness can slow effectively the spreading size and does not delay the arrival time of epidemic spreading peak compared with homogeneous awareness.

Suggested Citation

  • Yanling Lu & Guoping Jiang & Zhengxin Wang, 2017. "Epidemic Spreading with Heterogeneous Awareness on Human Networks," Mathematical Problems in Engineering, Hindawi, vol. 2017, pages 1-7, April.
    • Handle: RePEc:hin:jnlmpe:1979468
    DOI: 10.1155/2017/1979468
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