Rates, Risk Factors and Outcomes of Complications After COVID-19 in Children.

Background: Coronavirus disease 2019 (COVID-19) can lead to various complications, including multisystem inflammatory syndrome in children (MIS-C) and post-COVID-19 conditions (long COVID). This study aimed to determine the rates, risk factors and outcomes of MIS-C and long COVID in children previously diagnosed with COVID-19.

Methods: This study was a combined retrospective and prospective cohort study.