Theoretical impact of insecticideimpregnated school uniforms on dengue incidence in Thai children

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Background: Children carry the main burden of morbidity and mortality caused by dengue. Childrenspend a considerable amount of their day at school; hence strategies that reduce human-mosquito contact to protect against the day-biting habits of Aedes mosquitoes at schools, such as insecticide-impregnated uniforms, could be an effective prevention strategy. Methodology: We used mathematical modelsto calculate the risk of dengue infection based on force of infection taking into account the estimated proportion of mosquito bites that occur in school and the proportion of school time that children wear the impregnated uniforms. Principal findings: The use of insecticide-impregnated uniforms has efficacy varying from around 6% in the most pessimistic estimations, to 55% in the most optimistic scenarios simulated. Conclusions: Reducing contact between mosquito bites and human hosts via insecticide-treated uniforms during school time is theoretically effective in reducing dengue incidence and may be a valuable additional tool for dengue control in school-aged children. The efficacy of this strategy, however, is dependent on the compliance of the target population in terms of proper and consistent wearing of uniforms and, perhaps more importantly, the proportion of bites inflicted by the Aedes population during school time. © 2013 Eduardo Massad et al.




Massad, E., Amaku, M., Coutinho, F. A. B., Kittayapong, P., & Wilder-Smith, A. (2013). Theoretical impact of insecticideimpregnated school uniforms on dengue incidence in Thai children. Global Health Action, 6(1).

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