Dynamic modeling and analysis of sexually transmitted diseases on heterogeneous networks

Shuping Li and Zhen Jin

Physica A: Statistical Mechanics and its Applications, 2015, vol. 427, issue C, 192-201

Abstract: Considering homosexual contacts and heterosexual contacts in the course of sexual contacts, double degrees which describe the numbers of homosexual contacts and heterosexual contacts are introduced, correlation coefficients about degrees based on the joint probability distribution are given, and an SIS mean-field model about sexually transmitted diseases is presented when degrees are uncorrelated. The basic reproduction number of diseases is studied by the method of next generation matrix. Results show that, when homosexual contacts and heterosexual contacts all exist, once the disease is epidemic in the interior of male (female) population which is caused by male (female) homosexual transmissions, or the disease is epidemic between the two species which is caused by heterosexual transmissions, the disease must be epidemic in the whole population. Numerical simulations confirm the theoretical results.

Keywords: Mean-field model; Correlation coefficient; Basic reproduction number (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:427:y:2015:i:c:p:192-201

DOI: 10.1016/j.physa.2015.01.059

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