Two reports on Clinical Fellowships that took place in 2020

Baseline T-lymphocyte subset absolute counts can predict both outcome and severity in SARS-CoV-2 infected patients: a single center study

Immunological imprinting of the antibody response in COVID-19 patients

In vitro and in vivo functions of SARS-CoV-2 infection-enhancing and neutralizing antibodies

Dysregulation of brain and choroid plexus cell types in severe COVID-19

Colchicine for community-treated patients with COVID-19 (COLCORONA): a phase 3, randomised, double-blinded, adaptive, placebo-controlled, multicentre trial

Association Between SARS-CoV-2 Infection and Immune-Mediated Myopathy in Patients Who Have Died

Trends in Venous Thromboembolism Anticoagulation in Patients Hospitalized With COVID-19

Sperm Parameters Before and After COVID-19 mRNA Vaccination

Depressive symptoms, mental wellbeing, and substance use among adolescents before and during the COVID-19 pandemic in Iceland: a longitudinal, population-based study

Therapeutic versus prophylactic anticoagulation for patients admitted to hospital with COVID-19 and elevated D-dimer concentration (ACTION): an open-label, multicentre, randomised, controlled trial

Discontinuation versus continuation of renin-angiotensin-system inhibitors in COVID-19 (ACEI-COVID): a prospective, parallel group, randomised, controlled, open-label trial

Imatinib in patients with severe COVID-19: a randomised, double-blind, placebo-controlled, clinical trial

Tofacitinib in Patients Hospitalized with COVID-19 Pneumonia

Multisystem Inflammatory Syndrome in Children — Initial Therapy and Outcomes