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- Title
A high-throughput neutralizing antibody assay for COVID-19 diagnosis and vaccine evaluation.
- Authors
Muruato, Antonio E.; Fontes-Garfias, Camila R.; Ren, Ping; Garcia-Blanco, Mariano A.; Menachery, Vineet D.; Xie, Xuping; Shi, Pei-Yong
- Abstract
Virus neutralization remains the gold standard for determining antibody efficacy. Therefore, a high-throughput assay to measure SARS-CoV-2 neutralizing antibodies is urgently needed for COVID-19 serodiagnosis, convalescent plasma therapy, and vaccine development. Here, we report on a fluorescence-based SARS-CoV-2 neutralization assay that detects SARS-CoV-2 neutralizing antibodies in COVID-19 patient specimens and yields comparable results to plaque reduction neutralizing assay, the gold standard of serological testing. The fluorescence-based neutralization assay is specific to measure COVID-19 neutralizing antibodies without cross reacting with patient specimens with other viral, bacterial, or parasitic infections. Collectively, our approach offers a rapid platform that can be scaled to screen people for antibody protection from COVID-19, a key parameter necessary to safely reopen local communities. Neutralizing antibody titers in SARS-CoV-2 infected or vaccinated people are an important measure for vaccine development and public health decision-making. Here, the authors develop a fluorescence based SARS-CoV-2 assay to determine neutralizing antibody titers in COVID-19 patient sera in a high throughput set-up.
- Subjects
COVID-19; VACCINE development; SARS-CoV-2; PARASITIC diseases; VIRAL antibodies; SERODIAGNOSIS
- Publication
Nature Communications, 2020, Vol 11, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-020-17892-0