Most common agent responsible for Bronchiolitis is -
In 25-30 %to lower respiratory involvement, including tracheobronchitis, bronchiolitis, and one monia are due to respiratory syncytial virus REF:ANANTHANARYANAN TEXTBOOK OF MICROBIOLOGY 9EDITION PGNO.511
RSV
Adenovirus
Herpesvirus
Influenza virus
Virology