Dynamics of epidemic spreading with vaccination: Impact of social pressure and engagement

Marcelo A. Pires and Nuno Crokidakis

Physica A: Statistical Mechanics and its Applications, 2017, vol. 467, issue C, 167-179

Abstract: In this work we consider a model of epidemic spreading coupled with an opinion dynamics in a fully-connected population. Regarding the opinion dynamics, the individuals may be in two distinct states, namely in favor or against a vaccination campaign. Individuals against the vaccination follow a standard SIS model, whereas the pro-vaccine individuals can also be in a third compartment, namely Vaccinated. In addition, the opinions change according to the majority-rule dynamics in groups with three individuals. We also consider that the vaccine can give permanent or temporary immunization to the individuals. By means of analytical calculations and computer simulations, we show that the opinion dynamics can drastically affect the disease propagation, and that the engagement of the pro-vaccine individuals can be crucial for stopping the epidemic spreading. The full numerical code for simulating the model is available from the authors’ webpage.

Keywords: Dynamics of social systems; Epidemic spreading; Collective phenomena; Computer simulations; Critical phenomena (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:467:y:2017:i:c:p:167-179

DOI: 10.1016/j.physa.2016.10.004

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