Carrion's disease A bartonellosis that results_in infection located_in endothelial cells or located_in red blood cells, has_material_basis_in Bartonella bacilliformis, which is transmitted_by sandflies of genus Lutzomyia. The infection has acute and chronic phases. The acute phase is characterized by severe hemolytic anemia and transient immunosuppression. The chronic phase is characterized by verruga peruana lesions which may ulcerate and bleed. bartonellosis