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A social model for the evolution of sexually transmitted diseases

Author

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  • Gonçalves, Sebastián
  • Kuperman, Marcelo
  • Ferreira da Costa Gomes, Marcelo

Abstract

We have introduced recently a model for the spread of sexually transmitted diseases, in which the social behavior is incorporated as a key factor for the further propagation of the infection. The system may be regarded as a society of agents where in principle anyone can sexually interact with any other one in the population. The social behavior is taking into account by means of two parameters: the fraction of singles ρs and the promiscuity p. The promiscuity parameter defines the per individual daily probability of going out to look for a sexual partner, abandoning its eventual mate. In this contribution we show that the interaction between this two parameters give rise to a non-trivial epidemic threshold condition, when going from the homogeneous case (ρs=1) to heterogeneous cases (ρs<1). These results can have profound implication in the interpretation of real epidemic data.

Suggested Citation

  • Gonçalves, Sebastián & Kuperman, Marcelo & Ferreira da Costa Gomes, Marcelo, 2004. "A social model for the evolution of sexually transmitted diseases," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 342(1), pages 256-262.
    • Handle: RePEc:eee:phsmap:v:342:y:2004:i:1:p:256-262
    DOI: 10.1016/j.physa.2004.04.086
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    Cited by:

    1. Chandra Pedamallu & Linet Ozdamar & Erik Kropat & Gerhard-Wilhelm Weber, 2012. "A system dynamics model for intentional transmission of HIV/AIDS using cross impact analysis," Central European Journal of Operations Research, Springer;Slovak Society for Operations Research;Hungarian Operational Research Society;Czech Society for Operations Research;Österr. Gesellschaft für Operations Research (ÖGOR);Slovenian Society Informatika - Section for Operational Research;Croatian Operational Research Society, vol. 20(2), pages 319-336, June.

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