Natural Science

Volume 4, Issue 8 (August 2012)

ISSN Print: 2150-4091   ISSN Online: 2150-4105

Google-based Impact Factor: 2.33  Citations  h5-index & Ranking

Time delay in non-lethal infectious diseases

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DOI: 10.4236/ns.2012.48075    4,298 Downloads   6,321 Views  
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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 important role in the onset of the epidemic breakthrough. An approximate analytic expression for the solution of the delay differential equation governing the dynamics of the system is proposed and a comparison is made with the classical SEIR model.

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Luca, R. (2012) Time delay in non-lethal infectious diseases. Natural Science, 4, 562-568. doi: 10.4236/ns.2012.48075.

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