Scaling of stochasticity in dengue hemorrhagic fever epidemics

M. Aguiar, B.W. Kooi, J. Martins, N. Stollenwerk

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Abstract

In this paper we analyze the stochastic version of a minimalistic multi-strain model, which captures essential differences between primary and secondary infections in dengue fever epidemiology, and investigate the interplay between stochasticity, seasonality and import. The introduction of stochasticity is needed to explain the fluctuations observed in some of the available data sets, revealing a scenario where noise and complex deterministic skeleton strongly interact. For large enough population size, the stochastic system can be well described by the deterministic skeleton gaining insight on the relevant parameter values purely on topological information of the dynamics, rather than classical parameter estimation of which application is in general restricted to fairly simple dynamical scenarios. © EDP Sciences, 2012.
Original languageEnglish
Pages (from-to)1-11
JournalMathematical Modelling of Natural Phenomena
Volume7
DOIs
Publication statusPublished - 2012

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