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. 2022 Feb 16;13:907. doi: 10.1038/s41467-022-28527-x

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits 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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Participants are grouped by weeks since first and second vaccination, and secondarily by vaccine received. The proportion of tests reported as positive (antibody positivity) within group by week is shown. Participants who had received either (i) a single dose but no second dose, or (ii) two doses of the vaccine between 10 and 12 weeks after the first were included in the plot. Shaded areas on either side of the plot lines denote 95% confidence intervals; the grey shaded block denotes the 10–12 week period after first vaccination. The upward trend post-second-dose observed in the all participants line is attributable to the changing proportions of ChAdOx1vs BNT162b2 vaccine after 17 weeks.