Disease Cells infected Infectious mononucleosis B cell Nasopharyngeal epithelium Nasopharyngeal carcinoma Nasopharyngeal epithelium (especially in South-east Asia) (long latent period: 30+ years Burkitt's lymphoma Monoclonal B cell tumor (Endemic African form)(short latent period: 5+ years Immunoblastic lymphoma B lymphocytes (post-transplant/ AIDS Hodgkins diease Hodgkin Reed-Sternberg cells T cell lymphoma T cell lymphoma Oral hairy leucoplakia(AIDS) Epithelium along edge of tongue