Arsenic in India's water could cause resistance to visceral leishmaniasis ... Medical Xpress The protozoa Leishmania donovani and Leishmania infantum cause visceral leishmaniasis by infecting the liver, spleen and bone marrow. Victims of the disease experience fever, anorexia, weight loss and inflammation of the liver and spleen. They will die ... Kala-azar bug has become resistant to drug of choice |