Infection with human herpesvirus 4 (HERPESVIRUS 4, HUMAN); which may facilitate the development of various lymphoproliferative disorders. These include BURKITT LYMPHOMA (African type), INFECTIOUS MONONUCLEOSIS, and oral hairy leukoplakia (LEUKOPLAKIA, HAIRY).

Synonyms: Herpesvirus 4 Infections, Human, Infection, EBV, Virus Infection, Epstein-Barr, Infection, Epstein-Barr Virus, EBV Infection, Epstein Barr Virus Infection, Human Herpes Virus 4 Infections, Human Herpesvirus 4 Infections, Virus Infections, Epstein-Barr, Epstein-Barr Virus Infection, EBV Infections, Epstein-Barr Virus Infections, Epstein Barr Virus Infections, Infections, EBV, Infections, Epstein-Barr Virus