IJTEEE

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International Journal of Technology Enhancements and Emerging Engineering Research (ISSN 2347-4289)
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IJTEEE >> Volume 2 - Issue 10, October 2014 Edition



International Journal of Technology Enhancements and Emerging Engineering Research  
International Journal of Technology Enhancements and Emerging Engineering Research

Website: http://www.ijteee.org

ISSN 2347-4289



Modeling And Analysis Of An SVIRS Epidemic Model Involving External Sources Of Disease

[Full Text]

 

AUTHOR(S)

Raid Kamel Naji, Ahmed Ali Muhseen

 

KEYWORDS

Keywords: Epidemic models, Stability, Vaccinated, Immigrants, external sources, Local and Hopf bifurcation.

 

ABSTRACT

Abstract: In this paper a mathematical model that describes the flow of infectious disease in a population is proposed and studied. It is assumed that the disease divided the population into four classes: susceptible individuals (S), vaccinated individuals (V), infected individuals (I) and recover individuals (R). The impact of immigrants, vaccine and external sources of disease, on the dynamics of SVIRS epidemic model is investigated. The existence, uniqueness and boundedness of the solution of the model are discussed. The local and global stability of the model is studied. The occurrence of local bifurcation as well as Hopf bifurcation in the model is investigated. Finally the global dynamics of the proposed model is studied numerically.

 

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