Do Demographic and Disease Structures Affect the Recurrence of Epidemics ?
A. Castellazzo, A. Mauro, C. Volpe, E. Venturino (2012)
Mathematical Modelling of Natural Phenomena
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In this paper we present an epidemic model affecting an age-structured population. We show by numerical simulations that this demographic structure can induce persistent oscillations in the epidemic. The model is then extended to encompass a stage-structured disease within an age-dependent population. In this case as well, persistent oscillations are observed in the infected as well as in the whole population.