Introduction: Canine exposure to Lutzomyia longipalpis bites and the potential of Leishmania infantum transmissibility for the vector were evaluated. Methods: Immunoglobulin G (IgG) anti-Lu longipalpis saliva and -L. infantum, and blood parasite load were determined in dogs from endemic areas of visceral leishmaniasis. Results: Blood parasitism was similar between symptomatic and asymptomatic dogs. IgG anti-L. infantum was higher in symptomatic dogs, but IgG anti-Lu. longipalpis saliva was mostly observed in higher titers in asymptomatic dogs, indicating vector preference for feeding on asymptomatic dogs. Conclusions: Our data suggest a pivotal role of asymptomatic dogs in L. infantum transmission in endemic areas.
CITATION STYLE
Batista, L. F. da S., Da Matta, V. L. R., Tomokane, T. Y., Pacheco, A. D., Silveira, F. T., Rossi, C. N., … Laurenti, M. D. (2016). Canine antibody response to Lutzomyia longipalpis saliva in endemic area of visceral leishmaniasis. Revista Da Sociedade Brasileira de Medicina Tropical, 49(3), 361–364. https://doi.org/10.1590/0037-8682-0360-2015
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