Background The virus neutralization assay is a principal method to assess the efficacy of
antibodies in blocking viral entry. Due to biosafety handling requirements of viruses …

SARS-CoV-2 is the etiological agent of the coronavirus disease-19 (COVID-19) and is
responsible for the pandemic that started in 2020. The virus enters the host cell through the …

Over the last three years, after the outbreak of the COVID-19 pandemic, an unprecedented
number of novel diagnostic tests have been developed. Assays to evaluate the immune …

Background Although it is well known that the older people have been the most susceptible
to COVID-19, there are conflicting data on the susceptibility of centenarians. Two …

COVID-19 is an ongoing, global pandemic caused by the novel, highly infectious SARS-CoV-
2 virus. Efforts to mitigate the effects of SARS-CoV-2, such as mass vaccination and …

SARS-CoV-2 has caused a huge pandemic affecting millions of people and resulting
innumerous deaths. A better understanding of the correlation between binding antibodies …

The associations between longitudinal dynamics and the breadth of SARS‐CoV‐2
neutralizing antibody (nAb) response with various Long COVID phenotypes before …

Background. The immunogenicity elicited by the Omicron BA. 4/BA. 5–adapted bivalent
booster vaccine after solid organ transplantation (SOT) has not been characterized …

Over the past three years, new SARS-CoV-2 variants have continuously emerged, evolving
to a point where an immune response against the original vaccine no longer provided …

In a COVID‐19 sero‐surveillance cohort study with predominantly healthy and vaccinated
individuals, the objectives were (i) to investigate longitudinally the factors associated with …