Human herpesvirus 6 , a predominantly T lymphotropic virus , has been recently shown to infect some EBV -positive B cell lines , and to induce in them the activation of the EBV lytic cycle .
human herpesvirus 6 , a predominantly t lymphotropic virus , has been recently shown to infect some ebv -positive b cell lines , and to induce in them the activation of the ebv lytic cycle .
B-virus I-virus I-virus O O O B-virus I-virus I-virus O O O O O O O O B-virus O O O O O O O O O O O O O O B-virus O O O