Seasonal distribution of respiratory syncytial virus (RSV)‐related pediatric intensive care unit (PICU) admissions according to (a) age at the time of RSV detection (■, <12 months; , 12–24 months; □, >24 months); and (b) presence of risk factors (■, risk; □, no risk). (a) Sixty‐nine of 92 cases (75.0%) occurred in children <2 years of age at the time of RSV detection; 59 of 92 (64.1%) occurred in children <1 year of age. (b) Forty‐nine of 92 patients (53.3%) had at least one of risk factor for severe RSV infection. Risk factors for severe RSV infection include prematurity (gestational age <35 weeks), chronic lung disease, hemodynamically significant congenital heart disease, congenital abnormality of the airway or neuromuscular disorder, Down syndrome or profound immunocompromisation.