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. 2023 Apr 15;4(6):e452–e460. doi: 10.1016/S2666-5247(23)00042-3

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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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Venn diagram of Xpert Xpress results for SARS-CoV-2 detection with nasopharyngeal swabs and sputum

Numbers in the figure correspond to the number of individuals with positive test results on either nasopharyngeal swab (n=67), sputum (n=13), or both (n=134). Here, data from individuals with any missing test results were excluded from the figure.