Respiratory syncytial virus (RSV) is a leading cause of acute lower respiratory tract infection in infants and young children and contributes substantially to pediatric emergency department (ED) visits and hospitalizations. In Türkiye, nationally representative prospective data describing the epidemiology, clinical spectrum, and resource utilization of RSV-positive children presenting to pediatric EDs remain limited. This multicenter prospective observational study aims to characterize demographic and clinical features of RSV-positive children under 5 years of age presenting to participating pediatric EDs across two consecutive RSV seasons, and to quantify key healthcare utilization outcomes, including ED observation duration, hospitalization, and intensive care unit (ICU) admission.
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Hospitalization rate
Timeframe: Index ED visit (from ED presentation/triage to ED disposition decision and departure from the ED for inpatient admission or discharge), up to 24 hours.
ICU admission rate among hospitalized RSV-positive children
Timeframe: During the index hospitalization, from hospital admission to hospital discharge, up to 24 hours.
Need for respiratory support among RSV-positive children
Timeframe: From hospital admission to hospital discharge during the index hospitalization, up to 24 hours.