title: Fatal infectious mononucleosis.
mesh_terms: D002675:Child, Preschool; D005260:Female; D006087:Graft vs Host Reaction; D004854:Herpesvirus 4, Human / Q000276:immunology; D006801:Humans; D007244:Infectious Mononucleosis / Q000276:immunology / Q000401:mortality / Q000473:pathology*; D008297:Male; D013950:Thymus Gland / Q000473:pathology