<prompt> All are associated with EBV except ?Infectious mononucleosisNasopharyngeal carcinomaOral hairy leukoplakiaEpidermodysplasia  <response>: Ans. is d i.e., Epidermodysplasia Epstein - Barr Virus EBV . Belongs to Herpes viruses family. . Infection is most common in early childhood, with a second peak during late adolescence. . Infectious mononucleosis IM is usually a disease of young adults. . EBV is transmitted by saliva oral secretions of infected person. . Intimate oral contact, as in kissing is the predominant mode of transmission causes kissing disease. . The virus enter the pharyngeal epithelial cells and B cells through CR 2 or CD21 receptors. . Memory B Cells are the reservoir of EBV: Clinical Manifestations :Most primary infections are asymptomatic . Causes an acute self limited illness --- Infectious mononucleosis Glandular fever . Incubation period 4-8 weeks . Age groups young adults . Most common symptom of IMN is sore throat . Most common sign is lymphadenopathy . Most common complication -- meningitisencephalitis 