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. 2019 Mar 22;8(1):404–412. doi: 10.1080/22221751.2019.1572433

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© 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group, on behalf of Shanghai Shangyixun Cultural Communication Co., Ltd

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Correlation of NAI and HAI titres to A(H1N1)pdm09. Panel (A): correlation of convalescent HAI and NAI titres (p = .43). Panel (B): correlation of fold rises from acute to convalescence for HAI and NAI (p = .38). Diagonal dashed line in each panel shows the points of equal titres (A) or equal fold rises (B). Points have been jittered slightly to allow visibility of overlapping points.