Mosquito populations and human social behavior: A spatially explicit agent-based model

Ana Alicia Gramajo, Karina Laneri, and María Fabiana Laguna
Phys. Rev. E 106, 034405 – Published 23 September 2022

Abstract

Some mosquitoes are vectors for disease transmission to human populations. Aedes aegypti, the main vector for dengue in Argentina, mainly breeds in artificial containers as it is strongly adapted to urban environments. This highlights the relevance of understanding human social behavior to design successful vector control campaigns. We developed a model of mosquito populations that considers their main biological and behavioral features and incorporates parameters that model human behavior in relation to water container disposal. We performed extensive numerical simulations to study the variability of adult and aquatic mosquito populations when various protocols are applied, changing the effectiveness and frequency of water bucket disposal and the delay in the availability of water containers for breeding. We found an effectiveness threshold value above which it is possible to significantly limit mosquito dispersal. Interestingly, a nonsynchronized discard frequency, more attainable by human populations, was more efficient than a synchronized one to reduce the aquatic mosquito population. Scenarios with random delays in the availability of water containers indicate that it is not decisive to have a fixed time delay for the entire population, which is more realistic as it mimics a wider range of human behaviors. This simple model could help design dengue prevention campaigns aiming at mosquito population control.

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  • Received 4 February 2022
  • Accepted 2 September 2022

DOI:https://doi.org/10.1103/PhysRevE.106.034405

©2022 American Physical Society

Physics Subject Headings (PhySH)

Interdisciplinary PhysicsPhysics of Living Systems

Authors & Affiliations

Ana Alicia Gramajo, Karina Laneri, and María Fabiana Laguna

  • Statistical and Interdisciplinary Physics Group, Centro Atómico Bariloche and CONICET, R8402AGP Bariloche, Argentina

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Issue

Vol. 106, Iss. 3 — September 2022

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