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Home / Archives for Henrique Silveira

Trypanosoma cruzi discrete typing unit TcIV implicated in a case of acute Chagas disease in a domiciliated dog in the western Amazon

  • Autores: Luciene Almeida Siqueira de Vasconcelos, Josué Costa Oliveira, Rubens Celso Andrade da Silva Junior, Silvia Cássia Brandão Justiniano, Éder dos Santos Souza, Laylah Kelre Costa Magalhães, Henrique Silveira, George Allan Villarouco da Silva, Jorge Augusto de Oliveira Guerra, Maria das Graças Vale Barbosa Guerra
  • Ano de Publicação: 2021
  • Journal: Revista da Sociedade Brasileira de Medicina Tropical, vol 54, art e0873-2020
  • Link: https://doi.org/10.1590/0037-8682-0873-2020

ABSTRACT Chagas disease is caused by the protozoan Trypanosoma cruzi. Seven lineages have been identified based on different molecular markers, namely TcI, TcII, TcIII, TcIV, TcV, TcVI, and TcBat. Dogs play the role of epidemiological sentinels being domestic reservoirs of T. cruzi. The aim of the current study was to report the first case of […]
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Bioecological aspects of triatomines and marsupials as wild Trypanosoma cruzi reservoirs in urban, peri-urban and rural areas in the Western Brazilian Amazon

  • Autores: L. Magalhães, Henrique Silveira, S. Prestes, L. K. Costa Magalhães, R. A. Santana, R. Ramasawmy, J. Oliveira, C. C. R. Roque, R. C. A. Silva Junior, N. Fé, R. Duarte, M. Maciel, J. Ortiz, R. Morais, W. M. Monteiro, J. A. Guerra, M. G. V. Barbosa Guerra
  • Ano de Publicação: 2021
  • Journal: Medical & Veterinary Entomology, 35(3), pp 389-399
  • Link: https://doi.org/10.1111/mve.12507

In the Amazon region, Trypanosoma cruzi transmission cycles involve a great diversity of Triatominae vectors and mammal reservoirs. Some Rhodnius spp. mainly inhabit palm trees that act as microhabitats for hosts and vectors. The current study aimed to describe aspects of the bio-ecology of the vectors and reservoirs of T. cruzi in relation to human populations resident near areas with large quantities of palm trees, in rural, peri-urban and urban collection environments, located in the Western Brazilian Amazon.
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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