Human leishmaniasis is a vector-borne disease caused by intracellular protozoan parasite species belonging to the genus Leishmania (over 20 species), and it is transmitted to human by the bite of infected female phlebotomine sand fly (Phlebotomus spp. in the Old World and Lutzomyia spp. in the New World). 1,2 There are three main clinical forms of Leishmaniasis: cutaneous leishmaniasis (CL), mucocutaneous leishmaniasis (MCL) and visceral leishmaniasis (VL). 3 According to the World Health Organization (WHO) fact sheet data, 97 countries are endemic for leishmaniasis and an estimated 700.000-1 million new cases and 26.000-65.000 deaths occur worldwide, annually. An estimated 50.000 to 90.000 new cases of VL occur worldwide each year. In 2017, more than 95% of new VL cases occurred in Bangladesh,