tokens: Two peptides , P2 and P8 , induced naive T cell proliferation less effectively and were also less immunogenic for T cells from vaccinated or naturally immune donors .
folded_tokens: two peptides , p2 and p8 , induced naive t cell proliferation less effectively and were also less immunogenic for t cells from vaccinated or naturally immune donors .
labels: O B-peptide O B-peptide O B-peptide O O O B-other_name I-other_name I-other_name O O O O O O O O B-cell_type I-cell_type O O O B-other_name I-other_name I-other_name O