Immunization of Susceptible-Infected Model on Scale-Free networks

Abstract

In this paper, we investigate two major immunization strategies, random immunization and targeted immunization, of the susceptible-infected (SI) Model on the Barabási-Albert (BA) networks. For the heterogenous structure, the random strategy is quite ineffective if the vaccinated proportion is quite small, while the targeted one which prefers to vaccinate the individuals with the largest degree can sharply depress the epidemic spreading even only a small amount of population are vaccinated. The analytical solution is also obtained,which can capture the trend of velocity change versus the amount of vaccinated population.

5 pages, 4 figures

References in corpus (3)

• Behaviors of susceptible-infected epidemics on scale-free networks with identical infectivity
• Epidemic spreading in lattice-embedded scale-free networks
• Geographical effects on epidemic spreading in scale-free networks

Cited by in corpus (8)

• Identifying Influential Spreaders by Weighted LeaderRank
• How to Identify an Infection Source with Limited Observations
• Nonlinear spread of rumor and inoculation strategies in the nodes with degree dependent tie strength in complex networks
• Impact of Heterogeneous Human Activities on Epidemic Spreading
• On the Universality of Jordan Centers for Estimating Infection Sources in Tree Networks
• Optimal transport on supply-demand networks
• The message does not matter: the influence of the network on information diffusion
• Two novel immunization strategies for epidemic control in directed scale-free networks with nonlinear infectivity