On a nonautonomous SEIRS model in epidemiology. (English) Zbl 1245.34040

Summary: We derive some threshold conditions for permanence and extinction of diseases that can be described by a nonautonomous SEIRS epidemic model. Under the quite weak assumptions, we establish some sufficient conditions to prove the permanence and extinction of disease. Some new threshold values are determined.


34C11 Growth and boundedness of solutions to ordinary differential equations
34D05 Asymptotic properties of solutions to ordinary differential equations
92D30 Epidemiology
Full Text: DOI


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