Background Studies summarizing the clinical picture of COVID-19 in children are lacking.
This review characterizes clinical symptoms, laboratory, and imaging findings, as well as …

COVID-19 disease, caused by infection with SARS-CoV-2, is related to a series of
physiopathological mechanisms that mobilize a wide variety of biomolecules, mainly …

Objective Although COVID-19 is primarily a respiratory illness, there is mounting evidence
suggesting that the GI tract is involved in this disease. We investigated whether the gut …

A male bias in mortality has emerged in the COVID-19 pandemic, which is consistent with
the pathogenesis of other viral infections. Biological sex differences may manifest …

Background The long-term health consequences of COVID-19 remain largely unclear. The
aim of this study was to describe the long-term health consequences of patients with COVID …

The mucosal immune system is the largest component of the entire immune system, having
evolved to provide protection at the main sites of infectious threat: the mucosae. As SARS …

Background Progress in characterising the humoral immune response to Severe Acute
Respiratory Syndrome 2 (SARS-CoV-2) has been rapid but areas of uncertainty persist …

Lasting immunity following SARS-CoV-2 infection is questioned because serum antibodies
decline in convalescence. However, functional immunity is mediated by long-lived memory T …

Longitudinal analyses of the innate immune system, including the earliest time points, are
essential to understand the immunopathogenesis and clinical course of coronavirus disease …

Background Little is known about the nature and durability of the humoral immune response
to infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Methods …