Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/43429
Title: Local immunization program for susceptible-infected-recovered network epidemic model
Authors: Wu, Q
Lou, Y 
Issue Date: 2016
Publisher: American Institute of Physics
Source: Chaos, 2016, v. 26, no. 2, 023108 How to cite?
Journal: Chaos 
Abstract: The immunization strategies through contact tracing on the susceptible-infected-recovered framework in social networks are modelled to evaluate the cost-effectiveness of information-based vaccination programs with particular focus on the scenario where individuals belonging to a specific set can get vaccinated due to the vaccine shortages and other economic or humanity constraints. By using the block heterogeneous mean-field approach, a series of discrete-time dynamical models is formulated and the condition for epidemic outbreaks can be established which is shown to be not only dependent on the network structure but also closely related to the immunization control parameters. Results show that increasing the immunization strength can effectively raise the epidemic threshold, which is different from the predictions obtained through the susceptible-infected-susceptible network framework, where epidemic threshold is independent of the vaccination strength. Furthermore, a significant decrease of vaccine use to control the infectious disease is observed for the local vaccination strategy, which shows the promising applications of the local immunization programs to disease control while calls for accurate local information during the process of disease outbreak.
URI: http://hdl.handle.net/10397/43429
ISSN: 1054-1500
EISSN: 1089-7682
DOI: 10.1063/1.4941670
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