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. 2020 Oct 10;3:100041. doi: 10.1016/j.lanwpc.2020.100041

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© 2020 The Author(s)

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig 1 — Comparison of the results of the Elecsys Anti‑SARS‑CoV‑2 Assay and Academia Sinica ELISA assay in 25 Elecsys Assay positive cases. Among 25 individuals tested with COI ≥ 1•00 by Elecsys Assay, seven were tested positive for SARS-CoV-2 anti-spike RBD IgG antibodies (IgG+ / IgM-), four were tested positive for SARS-CoV-2 anti-spike RBD IgM antibodies (IgG- / IgM+), and the other 14 were tested double negative (IgG- / IgM-) by ELISA assay. Results of the qualitative Elecsys Assay and ELISA assay are amended as positive (red) or negative (green).