Supplementary Materials
The following are available online at https://www.mdpi.com/2076-2607/8/10/1572/s1. Table S1: Characteristics of the eight SARS-CoV-2 IgG/total antibody tests. Figure S1: Raw data from the plaque reduction neutralization test used as reference # 2 in the validation part of this study. Figure S2: Raw data from the plaque reduction neutralization test to investigate the kinetics of the virus-neutralizing antibodies. Figure S3: Development of high SARS-CoV-2 IgG avidities in three SARS-CoV-2 patients. Figure S4: Agreement of titers from two independent neutralization tests.
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