Although all animals 20 and 47 days after infection had seroconverted to Ad5 , virus was not detected in these groups either by viral plaque assay or in situ hybridization .
although all animals 20 and 47 days after infection had seroconverted to ad5 , virus was not detected in these groups either by viral plaque assay or in situ hybridization .
O O B-multi_cell O O O O O B-other_name O O O B-virus O O O O O O O O O O B-other_name I-other_name I-other_name O B-other_name I-other_name I-other_name O