Background Knowing the seroprevalence of SARS-CoV-2 IgG antibodies across geographic
regions before vaccine administration is one key piece of knowledge to achieve herd …

Abstract Background Commercially available SARS-CoV-2 serological assays based on
different viral antigens have been approved for the qualitative determination of anti-SARS …

Background Accurate seroprevalence estimates of SARS-CoV-2 in different populations
could clarify the extent to which current testing strategies are identifying all active infection …

Background We aim to investigate the profile of acute antibody response in COVID-19
patients, and provide proposals for the usage of antibody test in clinical practice. Methods A …

Figure 1 shows a schematic of the pattern of antibody response to SARS-CoV-2 infection.
Although immunoglobulin M (IgM) and immunoglobulin A (IgA) antibodies are widely …

Objective The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic
challenges national health systems and the global economy. Monitoring of infection rates …

Timing of detection of immunoglobulin G (IgG), immunoglobulin A (IgA), and
immunoglobulin M (IgM) antibodies against severe acute respiratory syndrome coronavirus …

Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the cause of
coronavirus disease 2019 (COVID-19), is associated with respiratory-related disease and …

Background Assessing the burden of COVID-19 based on medically-attended case counts is
suboptimal given its reliance on testing strategy, changing case definitions and the wide …

Objective To investigate the diagnostic value of serological testing and dynamic variance of
serum antibody in coronavirus disease 2019 (COVID-19). Methods This study …