Editorial

1. Pediatric patients in the new wave of SARS-CoV-2 infection in Shanghai, China

Review article

1. Gastrointestinal viral shedding in children with SARS-CoV-2:a systematic review and meta-analysis

Meta-analysis

1. Ursodeoxycholic acid as adjuvant treatment to phototherapy for neonatal hyperbilirubinemia: a systematic review and meta-analysis

Original articles

1. Asthma mortality among children and adolescents in China,2008–2018
2. Evaluation of proximal tubule functions in children with COVID-19:a prospective analytical study
3. Eff ect of early feeding practices and eating behaviors on body composition in primary school children

Research letters

1. Impact of comorbidities on the prognosis of pediatric vasovagal syncope
2. Using echocardiography in newborn screening for congenital heart disease may reduce missed diagnoses
3. Association between genetic polymorphisms of base excision repair pathway and glioma susceptibility in Chinese children
4. Genotypic and phenotypic spectra of NBEA-related neurodevelopmental disorder with epilepsy: a case series and literature review