Background The diagnostic challenges associated with the COVID‐19 pandemic resulted in
rapid development of diagnostic test methods for detecting SARS‐CoV‐2 infection. Serology …

Importance Patients with cancer undergoing treatment are at high risk of COVID-19 following
SARS-CoV-2 infection; however, their ability to produce an adequate antibody response to …

Antibodies are key immune effectors that confer protection against pathogenic threats. The
nature and longevity of the antibody response to SARS-CoV-2 infection are not well defined …

The worldwide pandemic of coronavirus disease 2019 (COVID-19) presents us with a
serious public health crisis. To combat the virus and slow its spread, wider testing is …

AO, JZ, LC, NC, NK, AS, and FL participated in research design. AO, AS, FA, CC, JI, ML-. V.,
NC, and NK participated in data analysis. AO, AS, CL, LC, ML-. V., NC, and NK participated …

Poor responses to mRNA COVID-19 vaccine have been reported after 2 vaccine injections
in kidney transplant recipients (KTRs) treated with belatacept. We analyzed the humoral …

STUDY QUESTION Does maternal infection with severe acute respiratory syndrome
Coronavirus-2 (SARS-CoV-2) in first trimester pregnancy have an impact on the fetal …

Recently published studies have found an impaired immune response after SARS‐CoV‐2
vaccination in solid organ recipients. However, most of these studies have not assessed …

Anti-viral immunity continuously declines over time after SARS-CoV-2 infection. Here, we
characterize the dynamics of anti-viral immunity during long-term follow-up and after …

Summary Background Introduction of the Omicron variant caused a steep rise in SARS-CoV-
2 infections despite high vaccination coverage in the Danish population. We used blood …