https://www.selleckchem.com/pr....oducts/beta-glycerop
6% and NPA 50.0-100%. Compared to a plasma nAb assay, the multiplex salivary assay PPA ranged from 62.3% (N) and 98.6% (RBD) and NPA ranged from 18.8% (RBD) to 96.9% (S). Combinations of N, RBD, and S and a summary algorithmic index of all three (N/RBD/S) in saliva produced ranges of PPA 87.6-98.9% and NPA 50-91.7% with the three EIAs and ranges of PPA 88.4-98.6% and NPA 21.9-34.4% with the nAb assay. A multiplex salivary SARS-CoV-2 IgG assay demonstrated variable, but comparable performance to three co
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