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A note on epidemic models with infective immigrants and vaccination

Eunha Shim

*Corresponding author:  


The roles of immigration and vaccination on disease dynamics are explored in a simple setting that considers the possibility of conferred immunity. We focus on SIR and SIS models with a vaccinated class. Conditions for the existence of multiple endemic steady states and a fold bifurcation are discussed.

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Article URL   http://www.aimspress.com/MBE/article/2880.html
Article ID   1551-0018_2006_3_557
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