The use and optimal duration of treatment with nebulized hypertonic saline (HS) in infants hospitalized for acute bronchiolitis is unclear. The objective was to compare the efficacy of 1 versus 3 days of nebulized 3% HS at 72 h of treatment. | Nebulized hypertonic saline 3% for 1 versus 3 days in hospitalized bronchiolitis: A blinded non-inferiority randomized controlled trial