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2014, 11(5): 1175-1180. doi: 10.3934/mbe.2014.11.1175

## Disease dynamics for the hometown of migrant workers

Received  January 2014 Revised  January 2014 Published  June 2014

A recent paper by L. Wang, X. Wang J. Theoret. Biol. 300:100--109 (2012) formulated and studied a delay differential equation model for disease dynamics in a region where a portion of the population leaves to work in a different region for an extended fixed period. Upon return, a fraction of the migrant workers have become infected with the disease. The global dynamics were not fully resolved in that paper, but are resolved here. We show that for all parameter values and all delays, the unique equilibrium is globally asymptotically stable, implying that the disease will eventually reach a constant positive level in the population.
Citation: Ram P. Sigdel, C. Connell McCluskey. Disease dynamics for the hometown of migrant workers. Mathematical Biosciences & Engineering, 2014, 11 (5) : 1175-1180. doi: 10.3934/mbe.2014.11.1175
##### References:
 [1] J. P. LaSalle, The Stability of Dynamical Systems, SIAM, Philadelphia, 1976.  Google Scholar [2] C. C. McCluskey, Global stability for an SEIR epidemiological model with varying infectivity and infinite delay, Math. Biosci. and Eng., 6 (2009), 603-610. doi: 10.3934/mbe.2009.6.603.  Google Scholar [3] C. C. McCluskey, Complete global stability for an SIR epidemic model with delay - distributed or discrete, Nonlinear Anal. RWA, 11 (2010), 55-59. doi: 10.1016/j.nonrwa.2008.10.014.  Google Scholar [4] B. Nepal, Population mobility and spread of {HIV} across the Indo-Nepal border, J. Health Popul. Nutr., 25 (2007), 267-277. Google Scholar [5] United Nations Entity for Gender Equality and the Empowerment of Women (UN Women), Asia Pacific and Arab States Regional Programme on Empowering Women Migrant Workers in Asia, 2013., Available from: , ().   Google Scholar [6] L. Wang and X. Wang, Influence of temporary migration on the transmission of infectious diseases in a migrants' home village, J. Theoret. Biol., 300 (2012), 100-109. doi: 10.1016/j.jtbi.2012.01.004.  Google Scholar [7] World Bank, HIV/AIDS in Nepal, 2012., Available from: , ().   Google Scholar

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##### References:
 [1] J. P. LaSalle, The Stability of Dynamical Systems, SIAM, Philadelphia, 1976.  Google Scholar [2] C. C. McCluskey, Global stability for an SEIR epidemiological model with varying infectivity and infinite delay, Math. Biosci. and Eng., 6 (2009), 603-610. doi: 10.3934/mbe.2009.6.603.  Google Scholar [3] C. C. McCluskey, Complete global stability for an SIR epidemic model with delay - distributed or discrete, Nonlinear Anal. RWA, 11 (2010), 55-59. doi: 10.1016/j.nonrwa.2008.10.014.  Google Scholar [4] B. Nepal, Population mobility and spread of {HIV} across the Indo-Nepal border, J. Health Popul. Nutr., 25 (2007), 267-277. Google Scholar [5] United Nations Entity for Gender Equality and the Empowerment of Women (UN Women), Asia Pacific and Arab States Regional Programme on Empowering Women Migrant Workers in Asia, 2013., Available from: , ().   Google Scholar [6] L. Wang and X. Wang, Influence of temporary migration on the transmission of infectious diseases in a migrants' home village, J. Theoret. Biol., 300 (2012), 100-109. doi: 10.1016/j.jtbi.2012.01.004.  Google Scholar [7] World Bank, HIV/AIDS in Nepal, 2012., Available from: , ().   Google Scholar
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