Common seasonal respiratory viral infections in children before and during the coronavirus disease 2019 (COVID-19) pandemic

To describe the incidence of seasonal respiratory viral infections (s-RVIs) before and during the coronavirus disease 2019 (COVID-19) pandemic and to compare virus-specific patient outcomes in pediatric patients.A retrospective cross-sectional study including patient admissions to the Children's National Hospital between October 1, 2015, and December 31, 2020.Among 12,451 patient admissions between March 15 and December 31, 2020 (cohort 1),...