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3100-12-31
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SOCIO-ENVIRONMENTAL FACTORS ASSOCIATED WITH THE OCCURRENCE OF TRIATOMINES (HEMIPTERA: REDUVIIDAE) IN AN ENDEMIC MUNICIPALITY IN NORTHERN MINAS GERAIS, BRAZIL.
Author
Affilliation
Health Science Programme. State University of Montes Claros. Montes Claros, MG, Brazil
Health Science Programme. State University of Montes Claros. Montes Claros, MG, Brazil
Institute of Biological and Technological Research. CONICET and Córdoba National University. Córdoba, Argentina
Health Science Programme. State University of Montes Claros. Montes Claros, MG, Brazil
René Rachou Institute. Oswaldo Cruz Foundation. Belo Horizonte, MG, Brazil
René Rachou Institute. Oswaldo Cruz Foundation. Belo Horizonte, MG, Brazil
Institute of Animal Diversity and Ecology. CONICET and National University of Córdoba. Córdoba, Argentina
Health Science Programme. State University of Montes Claros. Montes Claros, MG, Brazil
Health Science Programme. State University of Montes Claros. Montes Claros, MG, Brazil
Health Science Programme. State University of Montes Claros. Montes Claros, MG, Brazil
Institute of Biological and Technological Research. CONICET and Córdoba National University. Córdoba, Argentina
Health Science Programme. State University of Montes Claros. Montes Claros, MG, Brazil
René Rachou Institute. Oswaldo Cruz Foundation. Belo Horizonte, MG, Brazil
René Rachou Institute. Oswaldo Cruz Foundation. Belo Horizonte, MG, Brazil
Institute of Animal Diversity and Ecology. CONICET and National University of Córdoba. Córdoba, Argentina
Health Science Programme. State University of Montes Claros. Montes Claros, MG, Brazil
Health Science Programme. State University of Montes Claros. Montes Claros, MG, Brazil
Abstract
Triatomines are the vectors of Trypanosoma cruzi, the etiological agent of Chagas disease. The study aimed to evaluate the association between sociodemographic and environmental factors, and changes in land use and cover, with the occurrence and abundance of triatomines by census sectors in an endemic municipality of northern Minas Gerais, Brazil. The study was conducted in Montes Claros, located in the north of Minas Gerais, Brazil. The entomological data used in the study were collected by active surveillance in the rural area from 2015 to 2019 and by passive surveillance in the urban area from 2009 to 2019. Data on sociodemographic and environmental factors and changes in land use and land cover were obtained from the urban and rural census sectors. A total of 1404 triatomines, belonging to eight species, were captured in domiciles in the rural area (2015–2019) and 277 triatomines in domiciles in the urban area (2009–2019) of the municipality of Montes Claros. The variables the number of domiciles, household economic income, pavement, NDVI, deforestation, unchanged, and anthropic proved to be positively associated with the occurrence and/or number of triatomines in census sectors, within the models. The occurrence of triatomines in the domestic environment of the municipality of Montes Claros should
be considered a public health problem, as it suggests a potential risk of establishment and transmission of T. cruzi to domestic animals, farm animals, and humans.
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