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Epstein-Barr virus infection results in a spectrum of diseases, with the host immune response playing a key role in shaping the clinical manifestations. Infectious mononucleosis is the prototype EBV infection and is characterized by fever, sore throat, cervical and generalized lymphadenopathy, hepatosplenomegaly, and somatic complaints of fatigue and malaise. This condition generally is a benign, self-limited illness in healthy persons. In this article, the term “infectious mononucleosis” refers to the disease caused by primary EBV infection, although other agents can cause “infectious mononucleosis-like” disorders that are clinically similar to the EBV-associated disease.
Aggressive, nonmalignant EBV-associated proliferations, such as virus-associated hemophagocytic syndrome, posttransplant lymphoproliferative syndrome (PTLS), lymphoid interstitial pneumonitis, and oral hairy leukoplakia, occur in immunocompromised persons. EBV also contributes to human malignancies, including nasopharyngeal carcinoma, Burkitt lymphoma, Hodgkin disease, and leiomyosarcoma.
The history of the discovery of EBV as the cause...
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