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  Spatial and Stochastic Effects in a Model of Viral Infection
Titel: Spatial and Stochastic Effects in a Model of Viral Infection
Auteur: Bertolusso, Roberto
Kimmel, Marek
Verschenen in: Fundamenta informaticae
Paginering: Jaargang 118 (2012) nr. 4 pagina's 327-343
Jaar: 2012-06-12
Inhoud: Recently, Haseltine et al. published a mathematical model of dynamics of viral infection that has consisted of reaction-diffusion type differential equations for wild-type and infected cells, virions and interferon. The model serves as a mathematical description for two-dimensional viral infection spread experiments. We built a model which is different from Haseltine's and is an extension of another model by Getto et al. We investigated its deterministic and stochastic versions, using modeling software sbioPN created by Bertolusso. We found that in the range of parameters, which may be called “critical”, the stochastic model seems to display complex effects qualitatively different from its deterministic counterpart. Also, the rates of infection in the stochastic model are generally slower than in the deterministic model, an effect, which can be traced to Jensen inequality known best in probability calculus. Although a direct experimental confirmation of these effects is still missing, they seem sufficiently interesting to deserve discussion.
Uitgever: IOS Press
Bronbestand: Elektronische Wetenschappelijke Tijdschriften

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