Severe thrombocytopenia with a haemorrhagic diathesis in infectious mononucleosis.
D000293:Adolescent; D006474:Hemorrhagic Disorders / Q000150:complications*; D006801:Humans; D007244:Infectious Mononucleosis / Q000150:complications*; D008297:Male; D011696:Purpura, Thrombocytopenic / Q000150:complications*