Applied Mathematics

Volume 4, Issue 10 (October 2013)

ISSN Print: 2152-7385   ISSN Online: 2152-7393

Google-based Impact Factor: 0.83  Citations  

The Dynamics of Vector-Host Feeding Contact Rate with Saturation: A Case of Malaria in Western Kenya

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DOI: 10.4236/am.2013.410187    3,246 Downloads   4,905 Views  

ABSTRACT

In this study, we develop an expression for a saturated mosquito feeding rate in an SIS malaria model to determine its effect on infection and transmission dynamics of malaria in the highlands of Western Kenya. The basic reproduction number is established as a sharp threshold that determines whether the disease dies out or persists in the population. Precisely, if , the disease-free equilibrium is globally asymptotically stable and the disease always dies out and if , there exists a unique endemic equilibrium which is globally stable and the disease persists. The contribution of the saturated contact rate to the basic reproduction number and the level of the endemic equilibrium are also analyzed.


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Wairimu, J. and Wandera, O. (2013) The Dynamics of Vector-Host Feeding Contact Rate with Saturation: A Case of Malaria in Western Kenya. Applied Mathematics, 4, 1381-1391. doi: 10.4236/am.2013.410187.

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