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Optimal Control Applied to a Visceral Leishmaniasis Model
Pantha, Buddhi Agusto, Folashade B. Elmojtaba, Ibrahim M.
Pantha, Buddhi
Agusto, Folashade B.
Elmojtaba, Ibrahim M.
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Abstract
In this article, we developed a deterministic model for the transmission dynamics of visceral leishmaniasis in humans, canine reservoirs and sandflies, which is the only vector that transmits the disease parasite. The theoretical and epidemiological findings of this study indicates that the diseasefree equilibrium of the model is locally and globally asymptotically stable when the associated reproduction number is less than unity. We perform sensitivity analysis on the model parameter to determine the parameter with the most impact on the reproduction number. Following the results obtained from the sensitivity analysis, we apply optimal control theory using three time dependent control variables representing personal protection, insecticide spraying and culling of infected canine reservoirs. Simulation results are presented for various outbreak scenarios which indicates that leishmaniasis can be eliminated from a region by the application of three time dependent controls representing respectively, personal protection, insecticide spraying and culling infected canine reservoir.
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2020-07-01
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Department of Mathematics, Texas State University
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Pantha_2020.pdf
Adobe PDF, 1.24 MB
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Pantha, B.; Agusto, F.B.; Elmojtaba, I.M.; Optimal Control Applied to a Visceral Leishmaniasis Model. Electronic Journal of Differential Equations. 2020 (2020), 1{24.