Respiratory Physiotherapy and Hospitalization in Infants With Bronchiolitis

Inclusion Criteria: * Infants aged 12 months or younger. * Clinical diagnosis of acute viral bronchiolitis. * Mild or moderate bronchiolitis according to clinical assessment and Wang Bronchiolitis Severity Score. * Initial evaluation performed at a participating emergency care unit (UPA). * Parent or legal guardian able and willing to provide informed consent for participants receiving direct physiotherapy care. Exclusion Criteria: * Severe bronchiolitis requiring immediate hospitalization or emergency medical intervention. * Infants who did not follow the predefined clinical care pathway (e.g., no initial evaluation at a participating emergency care unit). * Absence of a clinical diagnosis of acute viral bronchiolitis by the attending pediatrician. * Any medical condition that, in the opinion of the clinical team, would make participation inappropriate or interfere with study procedures.