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. 2020 Dec 26;58(2):123–131. doi: 10.1177/0004563220981106

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© The Author(s) 2020

This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — Concordance between the DBS ELISA and the Healgen Scientific PoCT (IgG/IgM) lateral flow device using paired DBS and serum specimens from SARS-CoV-2 negative subjects (n = 47) and positive antibody subjects (n = 28). The dotted line represents the action value for positivity on the DBS ELISA (OD > 0.28).