Peer-reviewed veterinary case report
Trypanosoma evansi infection found in a dog in Peru
By Fredy E. Villena et al.·Published in Veterinary Parasitology: Regional Studies and Reports·2023·View original on Semantic Scholar →
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Original publication title: Parasitological and molecular detection of Trypanosoma evansi in a dog from Tocache, San Martin, Peru.
- Species:
- dog
Plain-English summary
A dog in Peru was brought to a veterinary clinic showing severe symptoms and unfortunately passed away. Tests revealed the presence of a parasite called Trypanosoma evansi, which can cause serious illness in dogs. The dog's organs, including the heart and kidneys, showed significant damage due to the infection. This case is important as it highlights the need for better monitoring of this parasite in the area to protect both pets and livestock from potential outbreaks.
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Abstract
This study presents the first case report of canine trypanosomiasis caused by Trypanosoma evansi in Peru. The case was admitted to a veterinary clinic in the Peruvian Amazon region of San Martin with severe clinical symptomatology which resulted in the dog's death. Microscopy screening showed the presence of trypomastigotes in blood and bone marrow and postmortem histopathology found damage at the cardiac, lung, kidney and spleen levels. Collected specimens were tested by nested-PCR which were positive for Trypanosoma spp., but negative for T. cruzi. High-throughput sequencing determined that the infecting species was closely related to T. equiperdom/evansi and subsequent phylogenetic analysis confirmed that the sample was related to T. evansi. The presence of T. evansi in the area highlights the need for increased surveillance to assess the impact of surra in the region and to develop measures to prevent socioeconomic damage resulting from infections in domestic and farm animals as well as prevent zoonotic transmission.
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Search related cases →Original publication on Semantic Scholar: https://www.semanticscholar.org/paper/37321797