Background Reported cases of COVID-19 may be underestimated due to mild or
asymptomatic cases and a low testing rate in the general population. Research question …

A better understanding of the anti-SARS-CoV-2 immune response is necessary to finely
evaluate commercial serological assays but also to predict protection against reinfection and …

Purpose The COVID-19 pandemic has been going on for almost three years, and so far,
many preventive and therapeutic strategies have been developed. The issue of subsequent …

There is an ongoing need for high-precision serological assays for the quantitation of anti-
SARS-CoV-2 antibodies. Here, a trimeric SARS-CoV-2 spike (S) protein was used to …

Objective. To determine the prevalence of SARS-CoV-2 antibodies among healthcare
workers (HCW) and to identify factors associated with infection. Materials and methods. A …

Severe acute respiratory syndrome (SARS)-coronavirus (CoV)-2 infection in children and
adolescents primarily causes mild or asymptomatic coronavirus disease 2019 (COVID-19) …

Background: The nucleocapsid protein of SARS-CoV-2 participates in viral replication,
transcription, and assembly. Antibodies against this protein have been proposed for the …

Background Rapid and simple serological assays for characterizing antibody responses are
important in the current COVID-19 pandemic caused by SARS-CoV-2. Multiplex immunoblot …

Background Spike protein domains are being used in various serology-based assays to
detect prior exposure to SARS-CoV-2 virus. However, there has been limited comparison of …

In order to control the COVID-19 pandemic caused by SARS-CoV-2 infection, serious
progress has been made to identify infected patients and to detect patients with a positive …