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Salud pública Méx ; 56(2): 213-220, mar.-abr. 2014. ilus, tab
Article in English | LILACS | ID: lil-713748

ABSTRACT

Objective. To evaluate risk factors facilitating the colonization of dwellings by Triatoma dimidiata in the central region of the state of Veracruz. Materials and methods. We applied socioeconomic questionnaires and entomologic surveys in three localities (Chavarrillo, Soyacuautla and Arroyo Agrio) in central Veracruz involving 115 households. Results. We found that the main risk factors were the predominance of unplastered walls and particularly those made of light weight aggregate concrete blocks and wood. At Chavarrillo, houses usually have unplastered walls, whereas in Soyocuautla walls are commonly manufactured with wood. In Arroyo Agrio, the phenomenon was seasonal, and bugs were commonly found in the dry season, particularly in relatively new houses, less than 20 years old. Conclusions. These results help to improve the surveillance capacity for this vector and the control strategies to reduce the transmission of Chagas disease in the state of Veracruz and other sites where this species is present.


Objetivo. Determinar los factores de riesgo que facilitan la colonización intradomiciliaria de Triatoma dimidiata en la región central del estado de Veracruz. Material y métodos. Se aplicaron encuestas socioeconómicas y entomológicas en ll5 casas en tres localidades (Chavarrillo, Soyacuautla y Arroyo Agrio). Resultados. El principal factor de riesgo para la colonización intradomicialiaria de T. dimidiata fue la presencia de paredes sin revocar, especialmente aquellas construidas con block y madera. En Chavarrillo el factor principal fueron las paredes sin revocar, en Soyacuautla las paredes de madera y en Arroyo Agrio las casas con menos de 20 años de haber sido construidas, junto con la temporada de secas. Conclusión. Los resultados encontrados pueden coadyuvar a mejorar los programas de vigilancia y control entomológico con el fin de reducir la transmisión de la enfermedad de Chagas vía vectorial en el estado de Veracruz y otros estados donde T. dimidiata puede estar presente.


Subject(s)
Animals , Humans , Triatoma , Chagas Disease/prevention & control , Chagas Disease/transmission , Family Characteristics , Insect Control , Mexico , Risk Assessment , Risk Factors
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