Background and objective Congenital heart defects are known to be associated with
increased odds of severe COVID-19. Congenital anomalies affecting other body systems�…

The clinical presentation, organ involvement, and severity of disease caused by SARS-CoV-
2 are highly variable, ranging from asymptomatic or mild infection to respiratory or multi�…

The COVID-19 pandemic has had a profound impact on global health, with neonates
emerging as a uniquely vulnerable population. This chapter provides a condensed yet�…

COVID-19 affects children less seriously than adults; however, severe cases and deaths are
documented. This study objective is to determine socio-demographic, clinical and laboratory�…

While children have experienced less severe coronavirus disease (COVID-19) after SARS-
CoV-2 infection than adults, the cause of this remains unclear. The objective of this study�…

Introduction Down syndrome (DS) is associated with multiple comorbid conditions and
chronic immune dysfunction. Persons with DS who contract COVID‐19 are at high risk for�…

Coronavirus disease 2019 (COVID-19), caused by the novel respiratory virus—severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2)—was declared a global pandemic by the�…

This article aims to describe the geographical distribution of hospital mortality from COVID-
19 in children and adolescents during the 2020-2021 pandemic in Brazil. Ecological, census�…

Since the first case of Severe Acute Respiratory Syndrome Coronavirus-2/Coronavirus
Disease 2019 (SARS-COV-2/COVID-19) was discovered in Wuhan, China, it spread to vast�…

Background Complete blood count, C-reactive protein and transaminases are routine
laboratory parameters investigated in children with infections, including COVID 19. We�…