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Sponsored by the Center for Science and Technology Development of the Ministry of Education
Supervised by Ministry of Education of the People's Republic of China
In this paper, an SVI epidemic model with diffusion is established.
By constructing Lyapunov functions , we analyze the long time
behavior of solutions for the model under continuous vaccination
strategy, the global asymptotical stable results of the disease-free
equilibrium and the epidemic equilibrium are proved.
Keywords:SVI model; Reaction-diffusion system; Global