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Journal Articles Journal of Mathematical Biology Year : 2019

State estimators for some epidemiological systems

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Abstract

We consider a class of epidemiological models that includes most well-known dynamics for directly transmitted diseases, and some reduced models for indirectly transmitted diseases. We then propose a simple observer that can be applied to models in this class. The error analysis of this observer leads to a non-autonomous error equation, and a new bound for fundamental matrices is also presented. We analyse and implement this observer in two examples: the classical SIR model, and a reduced Bailey-Dietz model for vector-borne diseases. In both cases we obtain arbitrary exponential convergence of the observer. For the latter model, we also applied the observer to recover the number of susceptible using dengue infection data from a district in the city of Rio de Janeiro.
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Dates and versions

hal-01672659 , version 1 (26-12-2017)
hal-01672659 , version 2 (21-08-2018)

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Abderrahman Iggidr, Max O. O Souza. State estimators for some epidemiological systems. Journal of Mathematical Biology, 2019, 78 (1-2), pp.225-256. ⟨10.1007/s00285-018-1273-3⟩. ⟨hal-01672659v2⟩
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