Almost 20% of COVID-19 patients have a history of atrial fibrillation (AF), but also a new-
onset AF represents a frequent complication in COVID-19. Clinical evidence demonstrates …

Coronavirus disease 2019 (COVID-19) has been associated with dysregulation of the
immune system featuring inappropriate immune responses, exacerbation of inflammatory …

Abstract Background and Purpose Waning immunity and the surge of SARS-CoV-2 variants
are responsible for breakthrough infections, ie, infections in fully vaccinated individuals …

Sequence homology between SARS-CoV-2 and common-cold human coronaviruses
(HCoVs) raises the possibility that memory responses to prior HCoV infection can affect T …

Background Patients with B-cell lymphoma are a fragile category of subjects, particularly
exposed to infections and characterized by an impaired vaccination response due to the …

Two years into Coronavirus Disease 2019 (COVID-19) pandemic, a comprehensive
characterization of the pathogenesis of severe and critical forms of COVID-19 is still missing …

Most individuals infected with or vaccinated against COVID-19 develop antigenic
neutralizing immunoglobulin G (IgG) antibodies against the SARS-CoV-2 spike protein …

Coronavirus disease 2019 (COVID-19), which is caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2), leads to the dysregulation of the immune system …

Introduction A growing number of evidences suggest that the combination of
hyperinflammation, dysregulated T and B cell response and cytokine storm play a major role …

Dawn to sunset fasting, a type of intermittent fasting commonly practiced in the month of
Ramadan, requires abstinence from food and drink from dawn to sunset. Dawn and dusk are …