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. 2021 Aug 13;83(5):573–580. doi: 10.1016/j.jinf.2021.08.019

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© 2021 Published by Elsevier Ltd on behalf of The British Infection Association.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Fig. 2 — Seroprevalence in student (a) and staff (b) sKIDsPLUS participants by region using the Roche N and Roche S assays in Round 3 (March/April 2021) and compared to community estimates for N and S antibodies.

Source: NHSBT Seroprevalence data for the period 15th March to 11th April: * S antibody prevalence in 18–30 year olds by region; ^ N antibody prevalence in 18–30 year olds; # S antibody prevalence in 18–64 year olds by region; + N antibody prevalence in 18–64 year olds by region.