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- W4288082180 abstract "An SIR epidemic model with age structure in the infected class is investigated. The model is transformed into a non-densely defined abstract Cauchy problem. The positivity and boundedness of solutions, basic reproduction number $ mathcal R_0 $ and the existence of equilibria are established. The linearized system and characteristic equation at an equilibrium from the corresponding abstract Cauchy problem are obtained. When $ mathcal R_0leq 1 $, local and global stability of the disease-free equilibrium is proved, and hence the disease will be deracinated. For the model with the latent period described by infection age, when $ mathcal R_0>1 $ and Assumptions 5.1 and 5.2 are satisfied, local stability of the endemic equilibrium and the existence of Hopf bifurcation are established. This shows that the disease with the latent period of infection age has complex dynamical behavior at the endemic equilibrium. Finally, numerical examples are presented to verify the theoretical results." @default.
- W4288082180 created "2022-07-28" @default.
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- W4288082180 date "2023-01-01" @default.
- W4288082180 modified "2023-09-26" @default.
- W4288082180 title "Stability and Hopf bifurcation in an age-structured SIR epidemic model with relapse" @default.
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- W4288082180 doi "https://doi.org/10.3934/dcdsb.2022141" @default.
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