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. 2023 May 26;15(6):1254. doi: 10.3390/v15061254

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Sensitivity of SARS-CoV-2 (N) RT-RPA-LF and Omicron BA.1 (S) RT-RPA-LF tested in the clinical samples. (a) SARS-CoV-2 (N) RT-RPA-LF showed different sensitivities compared to real-time RT-PCR Cq values. (b) Omicron BA.1 (S) RT-RPA-LF showed different sensitivities compared to Cq values. Viral loads were classified in the following way. High viral load: >9015.7 copies/µL, moderate viral load: 385.5–9015.7 copies/µL, low viral load: 16.5–385.6 to copies/µL, and very low viral load: <16.5 copies/µL.