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First evidence of autochthonous cases of Leishmania (Leishmania) infantum in horse (Equus caballus) in the Americas and mixed infection of Leishmania infantum and Leishmania (Viannia) braziliensis

Soares, Isabel R., Silva, Soraia O., Moreira, Filipe Moraghi, Prado, Luan Gavião, Fantini, Priscila, Maranhão, Renata de Pino Albuquerque, da Silva Filho, José Monteiro, Melo, Maria Norma, Palhares, Maristela S.
Veterinary parasitology 2013 v.197 no.3-4 pp. 665-669
Leishmania braziliensis, Leishmania infantum, bone marrow, enzyme-linked immunosorbent assay, horses, leishmaniasis, mixed infection, parasites, polymerase chain reaction, Brazil
This study reports the first evidence of infection by Leishmania infantum in Equus caballus in Americas and the first mixed infection of L. infantum/Leishmania braziliensis on this mammalian species in the world. The diagnoses was based on presence of parasites in lesions and bone marrow aspirates, their identification by using specific primers for L. infantum and L. braziliensis complexes and also serological methods IFAT and ELISA. The analysis of the PCR products suggested mixed infection in three animals. Further studies involving equine leishmaniasis are carrying out in order to clarify the dynamic of Leishmania sp. in this mammalian specie and their role in the transmission of those parasites in urban endemic area of Belo Horizonte, Minas Gerais State, Brazil.