Which of the following is not true regarding Whipple's Disease ?: (A) Bacteria laden macrophages are present in lymphatic system., (B) It has autoimmune etiology., (C) PAS positive diastase resistant granules are present., (D) Foamy macrophages are characteristics .
Answer is B. Whipple's disease is caused by Gram positive actinomycete Tropheryma whipplei.