Death in infancy with depletion of lymphoid and bone marrow tissues.
D000367:Age Factors; D001855:Bone Marrow Diseases / Q000473:pathology*; D003645:Death, Sudden; D006801:Humans; D007223:Infant; D008198:Lymph Nodes / Q000473:pathology; D008206:Lymphatic Diseases / Q000473:pathology*; D008221:Lymphoid Tissue / Q000473:pathology; D008297:Male