the appearance of epstein-barr virus ( ebv ) -associated nuclear antigen ( ebna ) and induction of ebv-induced early antigen ( ea ) in human umbilical cord blood lymphocytes ( hucls ) and two ebv genome-negative burkitt 's lymphoma ( bl ) lines ( bjab and ramos ) were studied by infection with ebvs prepared from three different cell lines : marmoset cell line ( b95-8 ) derived from infections mononucleosis , bl-derived cell line ( p3hr-1 ) and human epithelial hybrid cell line ( npc-kt ) derived from nasopharyngeal carcinoma .
C0024264
lymphocytes
C0021345
infections