The outbreak of the coronavirus disease 2019 (COVID-19), caused by the novel severe
acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has become an evolving global …

Introduction The recovery of other pathogens in patients with SARS-CoV-2 infection has
been reported, either at the time of a SARS-CoV-2 infection diagnosis (co-infection) or …

Background To date, few data on paediatric COVID-19 have been published, and most
reports originate from China. This study aimed to capture key data on children and …

From the beginning of the coronavirus disease 2019 (COVID-19) pandemic it became
evident that children infected with the severe acute respiratory syndrome coronavirus 2 …

Objectives In previous influenza pandemics, bacterial co-infections have been a major
cause of mortality. We aimed to evaluate the burden of co-infections in patients with COVID …

Background The diagnostic challenges associated with the COVID‐19 pandemic resulted in
rapid development of diagnostic test methods for detecting SARS‐CoV‐2 infection. Serology …

Objective There is limited information on the severity of COVID-19 infection in children with
comorbidities. We investigated the effects of pediatric comorbidities on COVID-19 severity by …

Summary Background In April, 2020, clinicians in the UK observed a cluster of children with
unexplained inflammation requiring admission to paediatric intensive care units (PICUs). We …

To provide a comprehensive and systematic analysis of demographic characteristics, clinical
symptoms, laboratory findings, and imaging features of coronavirus disease 2019 (COVID …

Objective To provide guidance on the management of multisystem inflammatory syndrome
in children (MIS‐C), a condition characterized by fever, inflammation, and multiorgan …