Current status of the sterile insect technique for the suppression of mosquito populations on a global scale

Bouyer Jérémy. 2024. Current status of the sterile insect technique for the suppression of mosquito populations on a global scale. Infectious Diseases of Poverty, 13, n.spéc. Sterile Insect Technology against Aedes vectors to control Aedes-borne diseases:68, 7 p.

https://doi.org/10.1186/s40249-024-01242-z

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Résumé : Background: The World Health Organization (WHO) has emphasized the urgent need for alternative strategies to chemical insecticides for controlling mosquito populations, particularly the invasive Aedes species, which are known vectors of arboviruses. Among these alternative approaches, the sterile insect technique (SIT) is experiencing rapid development, with numerous pilot trials being conducted worldwide. Main text: This review aims to elucidate the principles of SIT and highlight the significant recent advancements that have facilitated its scalability. I also employ a phased conditional approach to categorize the progression of 39 projects, drawing on peer reviewed studies, press releases and direct communication with project managers. This review indicates that a substantial number of projects illustrate the efficacy of SIT in suppressing Aedes populations, with one project even demonstrating a reduction in dengue incidence. I offer several recommendations to mitigate potential failures and address the challenges of compensation and overcompensation when implementing SIT field trials. Furthermore, I examine the potential implications of male mating harassment on the effectiveness of SIT in reducing disease transmission. Conclusions: This comprehensive assessment underscores the promise of SIT as a viable strategy for mosquito control. The insights gained from these trials not only contribute to the understanding of SIT's effectiveness but also highlight the importance of careful project management and ecological considerations in the pursuit of public health objectives.

Mots-clés Agrovoc : lâcher d'insectes stériles, vecteur de maladie, Aedes, contrôle de maladies, gestion intégrée des ravageurs, méthode de lutte, lutte intégrée, espèce envahissante, Aedes aegypti, arbovirus, stérilisation chimique, lutte anti-insecte