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Down syndrome as risk factor for respiratory syncytial virus hospitalization: a prospective multicenter epidemiological study

Abstract:

Background Respiratory syncytial virus (RSV) infection in childhood, particularly in premature infants, is associated with significant morbidity and mortality. Objectives To compare the hospitalization rates due to RSV infection and severity of disease between infants with and without Down syndrome (DS) born at term and without other associated risk factors for severe RSV infection. Patients/Methods In a prospective multicentre epidemiological study, 93 infants were included in the DS cohort and 68 matched by sex and data of birth (±1 week) and were followed up to 1 year of age and during a complete RSV season. Results The hospitalization rate for all acute respiratory infection was significantly higher in the DS cohort than in the non‐DS cohort (44.1% vs 7.7%, P<.0001). Hospitalizations due to RSV were significantly more frequent in the DH cohort than in the non‐DS cohort (9.7% vs 1.5%, P=.03). RSV …