Infection dynamics in structured populations with disease awareness based on neighborhood contact history

Lang Cao ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2014, vol. 87, issue 10, 1-10

Abstract: In recent years, continuing efforts have been directed to revealing the effect of human behavioral responses in the spread of infectious diseases. In this paper, we propose an implementation mechanism of disease awareness via individual self-perception from neighborhood contact histories (NCHs), where each individual is capable of memorizing a sequence of his infectious contacts earlier time, and adaptively adjusting the contact rate with his neighboring individuals as a preventive strategy from risks of exposure to infection. Both analytical and numerical results show that the NCH-based self-perceived awareness is a simple, but efficient disease control measure, which can greatly reduce the outbreak size of infectious diseases. We further examine the effects of a centralized disease control measure, which corresponds, for comparison, to an NCH-independent and uniformly aroused disease awareness. We find our proposed strategy outperforms the centralized one in a much larger and more practical range of epidemiological parameters, which also highlight the importance of the NCH-based awareness information in guidance of the individual protective behavior against infectious diseases. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2014

Keywords: Statistical and Nonlinear Physics (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (1)

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DOI: 10.1140/epjb/e2014-50422-8

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