tokens: Latent infection of B lymphocytes by Epstein-Barr virus ( EBV ) can be disrupted by expression of the EBV ZEBRA protein .
folded_tokens: latent infection of b lymphocytes by epstein-barr virus ( ebv ) can be disrupted by expression of the ebv zebra protein .
labels: O O O B-cell_type I-cell_type O B-virus I-virus O B-virus O O O O O O O O B-virus B-protein_molecule O O