Children with respiratory syncytial virus (RSV) had a higher risk of pneumonia, bronchiolitis, and a hospital stay of more than 4 days vs children with COVID-19 or influenza.

Investigators compared demographic and clinical characteristics and outcomes of pediatric patients hospitalized with RSV, influenza, or COVID-19 at Children’s Hospital Colorado in Aurora, Colorado, during the 2021-2022 season.

The retrospective cohort study used public health surveillance data from the Colorado Department of Public Health and Environment (CDPHE).

Participants were children (aged <18 years) with RSV, influenza, or SARS-CoV-2 infection admitted from October 1, 2021, to April 30, 2022, when SARS-CoV-2 delta and omicron variants were also circulating.

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