Visceral leishmaniasis or KALA-AZAR is a chronic protozoal illness that involves the liver, lymph nodes and bone marrow. This potentially fatal disease requires treatment with different agents, however, the treatment is not without serious side effects. In this video, the epidemiology, transmission and treatment of the condition is covered. Timeline: 1.55 Disease overview and endemic areas 6.55 Clinical features 8.25 Treatment