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A discrete time version for models of population dynamics in the presence of an infection. (English) Zbl 1131.92054

Summary: We present a set of difference equations which represents the discrete counterpart of a large class of continuous models concerning the dynamics of an infection in an organism or in a host population. The limiting behavior of the discrete model is studied and a threshold parameter playing the role of the basic reproduction number is derived.

MSC:

92D30 Epidemiology
92D25 Population dynamics (general)
39A12 Discrete version of topics in analysis
39A11 Stability of difference equations (MSC2000)
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