Serological cross-reactivity of Trypanosoma cruzi, Ehrlichia canis, Toxoplasma gondii, Neospora caninum and Babesia canis to Leishmania infantum chagasi tests in dogs

16 de agosto de 2020

Reação cruzada na sorologia de Trypanosoma cruzi, Ehrlichia canis, Toxoplasma gondii, Neospora caninum e Babesia canis para testes de Leishmania infantum chagasi em cães

Autores

Maurício Franco Zanette, Valéria Marçal Felix de Lima, Márcia Dalastra Laurent, Claudio Nazaretian Rossi, Juliana Peloi Vides, Rafael Felipe da Costa Vieira, Alexander Welker Biondo, Mary Marcondes.

Abstract

Introduction: The aim of this study was to evaluate the serological cross-reactivity between Leishmania sp. and other canine pathogens.

Methods: Positive serum samples for Ehrlichia canis, Babesia canis, Toxoplasma gondii, Neospora caninum and Trypanosoma cruzi were tested using three serological methods enzyme linked immunosorbent assay (ELISA), indirect immunofluorescent antibody test (IFAT) and Kalazar Detect™, for canine visceral leishmaniasis.

Results: Of the 57 dog samples tested, 24 (42.1%) tested positive using one of the three serological methods: 10/57 (17.5%) forELISA, 11/57 (19.3%) for IFAT and 3/57 (5.3%) for Kalazar Detect™.

Conclusions: Our results demonstrated that the presence of other infectious agents may lead to cross-reactivity on leishmaniasis serological tests

Keywords

Diagnosis. Serology. Visceral leishmaniasis

Palavras-chave

Diagnóstico. Sorologia. Leishmaniose visceral

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