Problem: Mononucleosis classically presents with fever, lymphadenopathy, and tonsillar pharyngitis. The term "infectious mononucleosis" was first used in the 1920s to describe a group of students with a similar pharyngeal illness and blood laboratory findings of lymphocytosis and atypical mononuclear cells. It was only later that Epstein-Barr virus (EBV) was established as the cause of mononucleosis after an exposed healthcare worker developed a positive heterophile test. Need Assignment Help?