<prompt> RSV is treated by: March 2013 dAcyclovirRibavirinInterferonAbacavir  <response>: Ans. B i.e. Ribavirin Bronchiolitis MC Caused by Respiratory Synctial Virus RSV, MC in boys less than 2 years, Chest X-ray shows: - Hyperinflation with - Multiple areas of interstitial infiltration May lead to asthma, Self limiting, DOC is ribavirin, Oxygen is helpful, RSV Immunoglobulins has no role in acute attacks, Antibiotics are not used initially 