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Lifecycle management of insecticides used for disease vector control: a global survey

Abstract Background: Vector control plays a critical role in the prevention, control and elimination of vector-borne diseases, and interventions of vector control continue to depend largely on the action of chemical insecticides. A global survey was conducted on the lifecycle management practices of vector control insecticides at country level to identify gaps to inform future strategies to improve efficacy of interventions and reduce the side effects of chemicals used on health and the environment.Methods: A survey by questionnaire was disseminated among all WHO Member States on the lifecycle management practices of vector control insecticides at country level. Data were analysed using descriptive statistics.Results: Responses were received from 94 countries, indicating a response rate of 48%. Capacity for insecticide resistance monitoring has been established in part of the countries, often with external support; however, this capacity was lacking from other countries. Procurement of vector control insecticides was often taking place at decentralized levels, over which the central authorities lacked control, for example, to select the product or assure quality of the product. Moreover, some countries experienced problems with estimating the correct amounts for procurement, especially for emergency purposes. Countries across regions showed shortcomings in worker safety, pesticide storage practices, and pesticide waste disposal. Shortcomings were most pronounced in countries of the European & Others Group, most of which have long been relatively free from mosquito-borne diseases but have recently faced challenges of re-emerging vector-borne diseases.Conclusions: Critical shortcomings in the management of vector control insecticides are common in countries across regions, with risks of adverse pesticide effects on health and the environment. Advocacy and resource mobilization are needed at regional and country level to address these challenges.

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Berg HVD
Bezerra HSDS
Chanda E
Al-Eryani S
Nagpal BN
Gasimov E
Velayudhan R
Yadav RS
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