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Vector-borne disease outbreak control via instant vector releases


This paper is devoted to the study of optimal vector release strategies to control vector-borne diseases, such as dengue, Zika, chikungunya and malaria. Two techniques are considered: the sterile insect one (SIT), which consists in releasing sterilized male vectors among wild ones in order to perturb their reproduction, and the Wolbachia one (presently used mainly for mosquitoes), which consists in releasing vectors that are infected with a bacterium limiting their vector capacity and then releasing them among wild vectors. In each case, the time dynamics of the vector population is modeled by a system of ordinary differential equations in which the releases are represented by linear combinations of Dirac measures with positive coefficients determining their intensity. We introduce optimal control problems that we solve numerically using ad-hoc algorithms, based on writing first-order optimality conditions characterizing the best combination of Dirac measures. We then discuss the results obtained, focusing in particular on the complexity and efficiency of optimal controls and comparing the strategies obtained.
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Dates and versions

hal-03577751 , version 1 (16-02-2022)
hal-03577751 , version 2 (19-10-2022)


  • HAL Id : hal-03577751 , version 2


Luis Almeida, Jesús Bellver Arnau, Yannick Privat, Carlota Rebelo. Vector-borne disease outbreak control via instant vector releases. 2022. ⟨hal-03577751v2⟩
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