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Anti-SARS-CoV-2 antibody binding patterns do not vary with neutralizing titer.

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posted on 2021-06-18, 18:00 authored by Anna S. Heffron, Sean J. McIlwain, Maya F. Amjadi, David A. Baker, Saniya Khullar, Tammy Armbrust, Peter J. Halfmann, Yoshihiro Kawaoka, Ajay K. Sethi, Ann C. Palmenberg, Miriam A. Shelef, David H. O’Connor, Irene M. Ong

Sera from 40 COVID-19 convalescent patients were assayed for IgG binding to the full SARS-CoV-2 proteome on a peptide microarray. B cell epitopes were defined as peptides in which patients’ average log2-normalized intensity (black lines in line plots) is 2-fold greater than controls’ (gray lines in line plots) and t test statistics yield adjusted p-values <0.1; epitopes are identified by orange shading in the line plots. Data are grouped by their neutralizing titer. COVID-19, coronavirus disease 2019; IgG, immunoglobulin G; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.

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