The effects of the incubation period "q" on the dynamics of non-lethal infectious diseases in a fixed-size population are studied by means of a delay differential equation model. It is noted that the ratio between the quantity "q" and the time "τ" for recovering from the illness plays an impor-tant role in the onset of the epidemic break-through. An approximate analytic expression for the solution of the delay differential equation governing the dynamics of the system is pro-posed and a comparison is made with the classical SEIR model
Time delay in non-lethal infectious diseases
DE LUCA, Roberto
2012-01-01
Abstract
The effects of the incubation period "q" on the dynamics of non-lethal infectious diseases in a fixed-size population are studied by means of a delay differential equation model. It is noted that the ratio between the quantity "q" and the time "τ" for recovering from the illness plays an impor-tant role in the onset of the epidemic break-through. An approximate analytic expression for the solution of the delay differential equation governing the dynamics of the system is pro-posed and a comparison is made with the classical SEIR modelFile in questo prodotto:
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