tokens: In this report , we demonstrate that the T cell tropic strain of HIV , LAI , does not replicate in naive CD4 T cells stimulated by cross-linking CD3 and CD28 .
folded_tokens: in this report , we demonstrate that the t cell tropic strain of hiv , lai , does not replicate in naive cd4 t cells stimulated by cross-linking cd3 and cd28 .
labels: O O O O O O O O B-virus I-virus I-virus I-virus O B-virus O B-virus O O O O O B-cell_type I-cell_type I-cell_type I-cell_type O O O B-protein_molecule O B-protein_molecule O