Immature thymocytes were infected by EBV , as determined by the internalization of the viral genome and its transcriptional activity .
immature thymocytes were infected by ebv , as determined by the internalization of the viral genome and its transcriptional activity .
O B-cell_type O O O B-virus O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group O O B-other_name I-other_name O