tokens: Epstein-Barr virus ( EBV ) infection of mature , resting B cells drives them to become lymphoblasts expressing high levels of cell surface molecules , such as CD48 , characteristically expressed on normal activated B cells .
folded_tokens: epstein-barr virus ( ebv ) infection of mature , resting b cells drives them to become lymphoblasts expressing high levels of cell surface molecules , such as cd48 , characteristically expressed on normal activated b cells .
labels: B-virus I-virus O B-virus O O O O O B-cell_type I-cell_type I-cell_type O O O O O O O O O O O O O O O B-protein_molecule O O O O B-cell_type I-cell_type I-cell_type I-cell_type O