NATURAL INFECTION BY Trypanosoma cruzi IN ONE DOG IN CENTRAL WESTERN BRAZIL: A CASE REPORT

SUMMARY It is estimated that about 10 million people are infected with Trypanosoma cruzi worldwide, mostly in Latin America and more than 25 million are at risk of acquiring this infection in endemic areas. Dogs are an important reservoir for this pathogen and thus, considered a risk factor for huma...

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Bibliographic Details
Published in:Revista do Instituto de Medicina Tropical de São Paulo
Main Authors: Arleana do Bom Parto Ferreira de Almeida, Daphine Ariadne Jesus de Paula, Maria Luisa Paro Otton, Felipe Wolf Jaune, Raquel Aparecida Sales da Cruz, Maria de Fatima Madeira, Luciano Nakazato, Adriane Jorge Mendonca, Caroline Argenta Pescador, Valeria Regia Franco Sousa
Format: Article in Journal/Newspaper
Language:English
Published: Universidade de São Paulo (USP) 2013
Subjects:
Chagas disease
Trypanosoma cruzi
Dog
Acute infection
Cuiaba
Arctic medicine. Tropical medicine
RC955-962
Infectious and parasitic diseases
RC109-216
Arctic
Online Access:https://doi.org/10.1590/S0036-46652013000400011
https://doaj.org/article/0dd3df33e019436b9a49509996c21162
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Summary:SUMMARY It is estimated that about 10 million people are infected with Trypanosoma cruzi worldwide, mostly in Latin America and more than 25 million are at risk of acquiring this infection in endemic areas. Dogs are an important reservoir for this pathogen and thus, considered a risk factor for human populations. This report describes one case of Chagas disease in a dog from Cuiabá, Mato Grosso State, Brazil. The diagnosis was obtained by direct examination of trypomastigote forms in blood smears. Amastigotes forms were visualized in microscopy of the bone marrow, lymph nodes, kidneys, liver and brain. The T. cruzi (ZIII) infection was confirmed by Polymerase Chain Reaction, and sequencing. The animal presented multisystemic failure and died. Although acute Chagas disease in humans is not reported in Cuiabá, this is the first report of a canine case in this region. This case represents a warning, to health professionals and authorities, to the possibility of transmission of this zoonosis in Cuiabá.

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