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. 2023 Mar 28. Online ahead of print. doi: 10.1016/S1473-3099(23)00129-9

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© 2023 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license

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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SARS-CoV-2 RT-PCR-positive samples used in lateral flow device evaluation by setting and viral variant

The source of the assigned SARS-CoV-2 variant is also shown by colour gradient. Seven RT-PCR-positive results from workplaces, obtained between April 27 and Sept 1, 2021, are not shown.