2018
DOI: 10.1371/journal.pntd.0006883
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Integrating evidence, models and maps to enhance Chagas disease vector surveillance

Abstract: Background Until recently, the Chagas disease vector, Triatoma infestans, was widespread in Arequipa, Perú , but as a result of a decades-long campaign in which over 70,000 houses were treated with insecticides, infestation prevalence is now greatly reduced. To monitor for T. infestans resurgence, the city is currently in a surveillance phase in which a sample of houses is selected for inspection each year. Despite extensive data from the control campaign that could be used to inform surveillance, the selectio… Show more

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Cited by 14 publications
(21 citation statements)
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“…The central idea is that, if members of the public understand what CD is and how it is transmitted, this knowledge will reduce infection rates [51]. In addition to community members, these educational interventions can include professional home inspectors [52] and physicians [53,54]. Although the causal mechanism is rarely explained, researchers argue that, if individuals become more aware of the severity of CD and their susceptibility to the disease, they will be more likely to seek preventive measures [55][56][57].…”
Section: Discussionmentioning
confidence: 99%
“…The central idea is that, if members of the public understand what CD is and how it is transmitted, this knowledge will reduce infection rates [51]. In addition to community members, these educational interventions can include professional home inspectors [52] and physicians [53,54]. Although the causal mechanism is rarely explained, researchers argue that, if individuals become more aware of the severity of CD and their susceptibility to the disease, they will be more likely to seek preventive measures [55][56][57].…”
Section: Discussionmentioning
confidence: 99%
“…For Chagas disease, spatial analysis has been used to investigate the reinfestation process with T . infestans after community-wide insecticide spraying [33,3740]; identify factors associated with house infestation [4143]; evaluate the effects of vector control interventions [44], and generate risk maps at regional and continental levels based on vector distribution [45,46]. By contrast, the spatial component of human T .…”
Section: Introductionmentioning
confidence: 99%
“…Risk maps for vector infestation were provided on smart phones using the VectorPoint mobile app (described in detail in 9,18 ). Each participant had at least one month of experience using the app prior to the study.…”
Section: Methodsmentioning
confidence: 99%
“…Risk estimates displayed in the map were generated using infestation data from the Arequipa vector control campaign run in a longitudinal, spatio-temporal model described previously 9,18 . The model was run every evening to incorporate new information collected during inspections that day.…”
Section: Methodsmentioning
confidence: 99%