Background Heterologous vaccine regimens have been widely discussed as a way to
mitigate intermittent supply shortages and to improve immunogenicity and safety of COVID …

Background Remdesivir is an antiviral medicine approved for the treatment of mild‐to‐
moderate coronavirus disease 2019 (COVID‐19). This led to widespread implementation …

Objective To assess in rheumatoid arthritis (RA) patients, treated with different
immunosuppressive therapies, the induction of SARS-CoV-2-specific immune response …

Health-care workers were enrolled at Charité-Universitätsmedizin Berlin (n= 107) and older
people were enrolled at an assisted living facility in Berlin, Germany (n= 82).(A) Anti-S1 IgG …

Long-term care facility (LTCF) older residents display physiological alterations of cellular
and humoral immunity that affect vaccine responses. Preliminary reports suggested a low …

Avidity of immunoglobulin G (IgG) is defined as its binding strength to its target antigen. As a
consequence of affinity maturation of the IgG response, avidity is maturing as well …

Background Accumulating evidence sugges ts solid organ transplant recipients, as opposed
to the general population, show strongly impaired responsiveness toward standard SARS …

Background To inform future preventive measures including repeated vaccinations, we have
searched for a clinically useful immune correlate of protection against fatal COVID-19 …

Objective The development of sufficient COVID-19 vaccines has been a big breakthrough in
fighting the global SARS-CoV-2 pandemic. However, vaccination effectiveness can be …

Background Individual doses of dual-dose vaccine-regimens are sequentially administered
into the deltoid muscle, but little attention has so far been paid to the immunological effects …