Background The role of adaptive immune responses in long COVID remains poorly
understood, with contrasting hypotheses suggesting either an insufficient antiviral response …

Abstract Coronavirus disease-19 (COVID-19) causes immune perturbations which may
persist long term, and patients frequently report ongoing symptoms for months after …

Long COVID (LC) occurs after at least 10% of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) infections, yet its etiology remains poorly understood. We used …

Among the unknowns in decoding the pathogenesis of SARS-CoV-2 persistent symptoms in
Long Covid is whether there is a contributory role of abnormal immunity during acute …

Limited knowledge is available on the relationship between antigen-specific immune
responses and COVID-19 disease severity. We completed a combined examination of all …

Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a highly
infectious respiratory virus which is responsible for the coronavirus disease 2019 (COVID …

Several COVID-19 convalescents suffer from the post-acute COVID-syndrome (PACS)/long
COVID, with symptoms that include fatigue, dyspnea, pulmonary fibrosis, cognitive …

Objectives The immunological and inflammatory changes following acute COVID-19 are
hugely variable. Persistent clinical symptoms following resolution of initial infection, termed …

The global Coronavirus disease 2019 (COVID-19) pandemic caused by SARS-CoV-2 has
affected more than eight million people. There is an urgent need to investigate how the …

Adaptive Immune responses generated by SARS-CoV-2 virus in convalescent patients
according to disease severity remain poorly characterized. To this end, we designed a …