Background The COVID-19 pandemic has placed an unprecedented strain on health
systems, with rapidly increasing demand for healthcare in hospitals and intensive care units …

Abstract COVID-19, caused by SARS-CoV-2, has recently affected over 1,200,000 people
and killed more than 60,000. The key immune cell subsets change and their states during …

A recent outbreak of a novel Coronavirus responsible for a Severe Acute Respiratory
Syndrome (SARS-CoV-2) is spreading globally. The aim of this study was to systematically …

Background School closures have occurred globally during the COVID-19 pandemic.
However, empiric data on transmission of severe acute respiratory syndrome coronavirus 2 …

Abstract Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2), is a new infectious disease that first emerged in …

Background Recent studies have suggested that chest CT scans could be used as a primary
screening or diagnostic tool for coronavirus disease 2019 (COVID-19) in epidemic areas …

The novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has
spread rapidly across the globe. In contrast to initial reports, recent studies suggest that …

Coronavirus disease 2019 (COVID-19), due to the severe acute respiratory syndrome
coronavirus-2 (SARS-CoV-2), has become an epidemiological threat and a worldwide …

Background Limited pediatric cases with coronavirus disease 2019 (COVID‐19) have been
reported and the clinical profiles regarding COVID‐19 in children remain obscure. Our aim …

Background: There are limited pediatric data regarding severe COVID-19 disease. Our study
aims to describe the epidemiology and identify risk factors for severe COVID-19 disease in …