<prompt> The most sensitive method to detect LD bodies isBone marrow aspirationSplenic aspirationPeripheral blood smearLymph node biopsy  <response>: Splenic aspiration is the most sensitive method to detect LD bodies 98 positivity. Bone marrow aspiration and biopsy are positive in over 85 of cases. Lymph node aspiration is positive in 60 of cases of African kala-azar but not in cases of Indian kala-azar. 