background: dogs have been previously reported to be reservoirs of leishmania infantum as the etiological agent of human visceral leishmaniasis in iran. we report a case of canine visceral leishmaniasis (vl) caused by l. tropica from the north- west of iran where human visceral leishmaniasis is endemic. methods: the canine vl was initially screened by dipstick rk39 and direct agglutination test...