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Eco-bio-social determinants for house infestation by non-domiciliated Triatoma dimidiata in the Yucatan peninsula, Mexico

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posted on 2023-06-09, 14:37 authored by Eric Dumonteil, Pierre NouvelletPierre Nouvellet, Kathryn Rosecrans, Maria Jesus Ramirez-Sierra, Rubi Gamboa-León, Vladimir Cruz-Chan, Miguel Rosado-Vallado, Sébastien Gourbière
Background Chagas disease is a vector-borne disease of major importance in the Americas. Disease prevention is mostly limited to vector control. Integrated interventions targeting ecological, biological and social determinants of vector-borne diseases are increasingly used for improved control. Methodology/principal findings We investigated key factors associated with transient house infestation by T. dimidiata in rural villages in Yucatan, Mexico, using a mixed modeling approach based on initial null-hypothesis testing followed by multimodel inference and averaging on data from 308 houses from three villages. We found that the presence of dogs, chickens and potential refuges, such as rock piles, in the peridomicile as well as the proximity of houses to vegetation at the periphery of the village and to public light sources are major risk factors for infestation. These factors explain most of the intra-village variations in infestation. Conclusions/significance These results underline a process of infestation distinct from that of domiciliated triatomines and may be used for risk stratification of houses for both vector surveillance and control. Combined integrated vector interventions, informed by an Ecohealth perspective, should aim at targeting several of these factors to effectively reduce infestation and provide sustainable vector control.

History

Publication status

  • Published

File Version

  • Published version

Journal

PLoS Neglected Tropical Diseases

ISSN

1935-2735

Publisher

Public Library of Science

Issue

9

Volume

7

Page range

1-9

Article number

e2466

Department affiliated with

  • Evolution, Behaviour and Environment Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2018-08-17

First Open Access (FOA) Date

2018-08-17

First Compliant Deposit (FCD) Date

2018-08-16

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