Optimal Scheduling of Dengue Vector Control

Fuente: arXiv
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Main Authors: Vajdi, Aram, Cohnstaedt, Lee W., Scoglio, Caterina M., Shakeri, Heman
Format: Preprint
Published: 2026
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author Vajdi, Aram
Cohnstaedt, Lee W.
Scoglio, Caterina M.
Shakeri, Heman
author_facet Vajdi, Aram
Cohnstaedt, Lee W.
Scoglio, Caterina M.
Shakeri, Heman
contents Dengue transmission is shaped by the population dynamics of the Aedes aegypti mosquito, making vector control a central strategy for disease mitigation. The impact of interventions such as larvicide, adulticide, and breeding-site reduction depends critically on their timing under fluctuating environmental conditions. We build on a high-fidelity, non-Markovian mechanistic model of the Aedes life cycle that captures stage-structured, temperature-dependent developmental delays, and mortality, and extend it to incorporate multiple vector control measures. Rather than using continuous abstract control amplitudes as in standard optimal control formulations, we introduce intervention-specific temporal profiles that better reflect operational practice. We then develop an adjoint-based gradient descent framework to compute the optimal timing of a sequence of interventions by minimizing the time-dependent dengue reproduction number, R0. Numerical simulations based on seasonal temperature data from Miami, Florida, show that appropriately timed combinations of interventions can substantially suppress transmission risk, with outcomes strongly influenced by seasonal temperature variation and intervention duration. We further propose embedding the resulting optimization framework within a Model Predictive Control architecture, yielding a closed-loop approach for real-time, surveillance-driven vector management under environmental and operational uncertainty.
format Preprint
id arxiv_https___arxiv_org_abs_2605_12441
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Optimal Scheduling of Dengue Vector Control
Vajdi, Aram
Cohnstaedt, Lee W.
Scoglio, Caterina M.
Shakeri, Heman
Dynamical Systems
Dengue transmission is shaped by the population dynamics of the Aedes aegypti mosquito, making vector control a central strategy for disease mitigation. The impact of interventions such as larvicide, adulticide, and breeding-site reduction depends critically on their timing under fluctuating environmental conditions. We build on a high-fidelity, non-Markovian mechanistic model of the Aedes life cycle that captures stage-structured, temperature-dependent developmental delays, and mortality, and extend it to incorporate multiple vector control measures. Rather than using continuous abstract control amplitudes as in standard optimal control formulations, we introduce intervention-specific temporal profiles that better reflect operational practice. We then develop an adjoint-based gradient descent framework to compute the optimal timing of a sequence of interventions by minimizing the time-dependent dengue reproduction number, R0. Numerical simulations based on seasonal temperature data from Miami, Florida, show that appropriately timed combinations of interventions can substantially suppress transmission risk, with outcomes strongly influenced by seasonal temperature variation and intervention duration. We further propose embedding the resulting optimization framework within a Model Predictive Control architecture, yielding a closed-loop approach for real-time, surveillance-driven vector management under environmental and operational uncertainty.
title Optimal Scheduling of Dengue Vector Control
topic Dynamical Systems
url https://arxiv.org/abs/2605.12441