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. 2020 Sep 5;6(10):1130–1140. doi: 10.1016/j.eng.2020.07.015

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© 2020 THE AUTHORS

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. 6 — Clinical identification of respiratory viruses using the RTisochip™-W. (a) Positive rates of each virus target in clinical samples collected in 2019–2020. Samples from the Beijing Tsinghua Changgung Hospital were collected in the flu season from 2019 to 2020 (n = 101), and samples from the Capital Institute of Pediatrics were collected in the non-flu season of 2019 (n = 100). (b) Comparison of the SARS-CoV-2 detection results obtained by the RTisochip™-W and the conventional RT-PCR. “+” represents a positive result and “–” is negative. (c) Repeatability tests of the RTisochip™-W using clinical samples. Positive and negative results are shown as orange and azure squares, respectively. (d) Positive rates of a total of 614 clinical throat swab samples from suspected or confirmed COVID-19 patients. The detailed number was indicated.