Leishmaniasis is a parasitic sickness caused by the Leishmania parasite. This parasite usually lives in inflamed sand flies. You can settlement leishmaniasis from a bite of an infected sandfly. The sand flies that carry the parasite generally are living in tropical and subtropical environments. Fatal epidemics have occurred in regions of Asia, East Africa, and South America. Affected areas are often remote and risky, with confined resources for treating this disorder. Doctors Without Borders calls leishmaniasis one of the most dangerous not noted tropical diseases. The company additionally states this disease is 2nd simplest to malaria in parasitic causes of loss of life.