Factors associated with the presence of triatomines in rural areas of south Argentine Chaco.

Rev Soc Bras Med Trop

Cátedra de Introducción a la Biología, Instituto de Investigaciones Biológicas y Tecnológicas (CONICET- UNC), FCEFyN, UNC. Vélez Sársfield 299. Córdoba, Argentina.

Published: January 2019

AI Article Synopsis

  • The study examines factors affecting the presence of Triatoma infestans, a disease-carrying bug, in homes and surrounding areas.
  • It involved capturing these bugs in 139 households and interviewing residents about their awareness and practices regarding vector control.
  • Findings revealed high infestation rates in house compounds and peridomestic areas, with a lack of awareness among 80% of residents about how their surroundings, especially structures like chicken coops, contribute to the problem, highlighting the need for better education on vector control.

Article Abstract

Introduction: The domestic and peridomestic presence of Triatoma infestans depends on several factors, such as human behavior, vector behavior, ecology, and the environment.

Methods: This work was conducted in 139 domiciliary units, where triatomines were captured and risk factors in domiciles and peridomicilies were recorded. Household dwellers were interviewed to obtain information about practices regarding this disease and entomological indicators were calculated.

Results: Infestation indices were 59.7% for house compounds, 4.3% for domestic areas and 58.3% for the peridomestic areas. Intradomicile infestation was significantly associated with housing characteristics. The presence of chicken coops in peridomicilies was associated with an increased risk of infestation. Of the respondents, 80% did not recognize the importance of the peridomiciliary structures for triatomine control and had infested peridomicilies.

Conclusions: The results show the importance of peridomiciles as refuge sites for Triatominae bugs; however, household dwellers do not perceive peridomiciles as areas that favor the presence of vectors. Actions for raising awareness about factors that favor the presence of triatomines are needed to improve the conditions of peridomiciliary environments.

Download full-text PDF

Source
http://dx.doi.org/10.1590/0037-8682-0357-2018DOI Listing

Publication Analysis

Top Keywords

presence triatomines
8
household dwellers
8
favor presence
8
presence
5
factors
4
factors associated
4
associated presence
4
triatomines rural
4
areas
4
rural areas
4

Similar Publications

Rapid urbanization and migration in Latin America have intensified exposure to insect-borne diseases. Malaria, Chagas disease, yellow fever, and leishmaniasis have historically afflicted the region, while dengue, chikungunya, and Zika have been described and expanded more recently. The increased presence of synanthropic vector species and spread into previously unaffected areas due to urbanization and climate warming have intensified pathogen transmission risks.

View Article and Find Full Text PDF

There are 11 species of triatomines in the USA, with seven reported in the American Southwest. These species are capable of transmitting Trypanosoma cruzi, the etiological agent of Chagas disease, but are generally sylvatic and rarely infect humans in the USA. iNaturalist is one of the most popular citizen science data portals, where users record encounters with any individual organism.

View Article and Find Full Text PDF

Background: Chagas disease (CD), a Neglected Tropical Disease caused by , affects millions of people in Latin America and the southern US and spreads worldwide. CD results from close interactions between humans, animals, and vectors, influenced by sociodemographic factors and housing materials.

Methods: This study aimed to evaluate how these factors, along with seasonal changes, affect the distribution of CD vectors in an endemic community near Puebla, Mexico, using a cross-sectional survey.

View Article and Find Full Text PDF

Branched-chain amino acids modulate the proteomic profile of Trypanosoma cruzi metacyclogenesis induced by proline.

PLoS Negl Trop Dis

October 2024

Laboratory of Biochemistry of Tryps - LaBTryps - Department of Parasitology, Instituto de Ciências Biomédicas II, Universidade de São Paulo, São Paulo, Brazil.

Trypanosoma cruzi, the causative agent of Chagas disease, has a complex life cycle that involves triatomine insects as vectors and mammals as hosts. The differentiation of epimastigote forms into metacyclic trypomastigotes within the insect vector is crucial for the parasite's life cycle progression. Factors influencing this process, including temperature, pH, and nutritional stress, along with specific metabolite availability, play a pivotal role.

View Article and Find Full Text PDF

Detection of Bartonella henselae DNA in Triatoma sordida collected in peridomiciliary environments.

Braz J Infect Dis

October 2024

Universidade de Campinas (UNICAMP), Faculdade de Ciências Médicas, Laboratório de Pesquisa Aplicada em Dermatologia e Infecção por Bartonella, Campinas, SP, Brazil.

Article Synopsis
  • Bartonelloses are serious diseases caused by bacteria from the genus Bartonella, often transmitted through bites from fleas, lice, mosquitoes, and ticks, and can lead to conditions like endocarditis.
  • A study conducted in Seabra, Brazil, tested 81 triatomines (a type of bug) for the presence of Bartonella henselae DNA using various PCR techniques, aiming to assess their potential as vectors.
  • Results showed that 28.39% of the triatomines tested positive for B. henselae, while none were found to carry Trypanosoma cruzi, highlighting a significant link between these bugs and the bacteria, warranting further research on their role as disease vectors.
View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!