7month male infant with massive hepatosplenomegaly and ftt trtd for bronchopnemonia x once and wheezy chest twice is having highly raised lipid profile 788.sgpt  160.bil N.hb 11.rbs 63.wbc n.uric acid 4.7.ferritin144.rubella & cmv igG highly positive.typhi dot -ve.h/o death of elder sib at 2 yrs of age with some liver problem.whats the diagnosis