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. 2021 Sep 2;10(4):2539–2561. doi: 10.1007/s40121-021-00530-7

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, which permits any non-commercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by-nc/4.0/.

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Fig. 3 — Assessment of linearity of GenWay and Demeditec assays. (A) GenWay ELISA using WWO-2-043; (B) GenWay ELISA using NIBSC 06/140; (C) Demeditec ELISA using WWO-2–043; (D) Demeditec ELISA using NIBSC 06/140. Results are reported in NTU (GenWay Units) for the GenWay ELISA and in arbitrary Units/mL (U/mL) for the Demeditec ELISA. The dashed red line shows the line of perfect agreement. The dashed red line shows the line of perfect linear agreement. The blue or green circles and the solid blue or green line show the actual data points and the associated trendline for observed versus expected results for the indicated commercial ELISA using the indicated reference standard as the source of the samples