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An effective immunization strategy for airborne epidemics in modular and hierarchical social contact network

Author

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  • Song, Zhichao
  • Ge, Yuanzheng
  • Luo, Lei
  • Duan, Hong
  • Qiu, Xiaogang

Abstract

Social contact between individuals is the chief factor for airborne epidemic transmission among the crowd. Social contact networks, which describe the contact relationships among individuals, always exhibit overlapping qualities of communities, hierarchical structure and spatial-correlated. We find that traditional global targeted immunization strategy would lose its superiority in controlling the epidemic propagation in the social contact networks with modular and hierarchical structure. Therefore, we propose a hierarchical targeted immunization strategy to settle this problem. In this novel strategy, importance of the hierarchical structure is considered. Transmission control experiments of influenza H1N1 are carried out based on a modular and hierarchical network model. Results obtained indicate that hierarchical structure of the network is more critical than the degrees of the immunized targets and the modular network layer is the most important for the epidemic propagation control. Finally, the efficacy and stability of this novel immunization strategy have been validated as well.

Suggested Citation

  • Song, Zhichao & Ge, Yuanzheng & Luo, Lei & Duan, Hong & Qiu, Xiaogang, 2015. "An effective immunization strategy for airborne epidemics in modular and hierarchical social contact network," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 439(C), pages 142-149.
    • Handle: RePEc:eee:phsmap:v:439:y:2015:i:c:p:142-149
    DOI: 10.1016/j.physa.2015.07.034
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    References listed on IDEAS

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    1. Ge, Yuanzheng & Song, Zhichao & Qiu, Xiaogang & Song, Hongbin & Wang, Yong, 2013. "Modular and hierarchical structure of social contact networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(19), pages 4619-4628.
    2. Zanette, Damián H. & Kuperman, Marcelo, 2002. "Effects of immunization in small-world epidemics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 309(3), pages 445-452.
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    Cited by:

    1. Feng, Xiao & He, Shiwei & Li, Guangye & Chi, Jushang, 2021. "Transfer network of high-speed rail and aviation: Structure and critical components," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 581(C).

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