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• W4283698922 abstract "We improve a recent mathematical model for cholera by adding a time delay that represents the time between the instant at which an individual becomes infected and the instant at which he begins to have symptoms of cholera disease. We prove that the delayed cholera model is biologically meaningful and analyze the local asymptotic stability of the equilibrium points for positive time delays. An optimal control problem is proposed and analyzed, where the goal is to obtain optimal treatment strategies, through quarantine, that minimize the number of infective individuals and the bacterial concentration, as well as treatment costs. Necessary optimality conditions are applied to the delayed optimal control problem, with a L 1 type cost functional. We show that the delayed cholera model fits better the cholera outbreak that occurred in the Department of Artibonite - Haiti, from 1 November 2010 to 1 May 2011, than the non-delayed model. Considering the data of the cholera outbreak in Haiti, we solve numerically the delayed optimal control problem and propose solutions for the outbreak control and eradication." @default.
• W4283698922 created "2022-06-30" @default.
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• W4283698922 date "2022-01-01" @default.
• W4283698922 modified "2023-09-26" @default.
• W4283698922 title "A SIQRB delayed model for cholera and optimal control treatment" @default.
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• W4283698922 doi "https://doi.org/10.1051/mmnp/2022027" @default.
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