tokens: In comparison , PBMC from two children with fatal adenoviral infection were both strongly positive for adenovirus DNA .
folded_tokens: in comparison , pbmc from two children with fatal adenoviral infection were both strongly positive for adenovirus dna .
labels: O O O B-cell_type O O B-multi_cell O B-other_name I-other_name I-other_name O O O O O B-virus O O