in order to obtain more information on viral respiratory tract infections in austrian infants and children , nasopharyngeal secretions from 1432 infants and children , collected from october 1984 to october 1985 , were screened for the presence of respiratory syncytial virus ( rsv ) , adenoviruses , parainfluenza virus type 1 , 2 , and 3 , and influenza viruses type a and b , by enzyme-linked immunosorbent assay ( elisa ) .
C0021270
infants
C0008059
children