The ongoing global pandemic of coronavirus disease 2019 (COVID-19), caused by severe
acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), has caused devastating impacts …

A better understanding of COVID-19 in people with primary immunodeficiency (PI), rare
inherited defects in the immune system, is important for protecting this population, especially …

Background Data on immune responses to SARS-CoV-2 in patients with Primary Antibody
Deficiencies (PAD) are limited to infected patients and to heterogeneous cohorts after …

We review the characteristics of SARS-CoV-2 infection in a large number of patients with IEI.
Overall, we found that combined immunodeficiencies, immune dysregulation disorders, and …

Background: Patients with primary antibody deficiencies are at risk in the current COVID-19
pandemic due to their impaired response to infection and vaccination. Specifically, patients …

Inborn errors of immunity (IEI) are a heterogeneous group of disorders affecting immune
host defense and immunoregulation. Considering the predisposition to develop severe and …

We studied clinical and immunological outcome of Covid-19 in consecutive CLL patients
from a well-defined area during month 1–13 of the pandemic. Sixty patients (median age 71 …

Morbidity and mortality of COVID-19 is increased in patients with inborn errors of immunity
(IEI). Age and comorbidities and also impaired type I interferon immunity were identified as …

Background Duration of humoral and cellular memory in children previously infected SARS-
CoV-2 or vaccinated and subsequent risk of reinfection is still not fully elucidated. Methods …

Introduction Patients with primary or secondary immunodeficiency (PID or SID) face
increased insecurity and discomfort in the light of the COVID-19 pandemic, not knowing if …