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The results of CRISPR-Cas12a-based assay tested with a total of 22 samples (labeled 1 to 22) of SARS-CoV-2 (Omicron variant) positive nasopharyngeal swab samples. The representative samples contain different mean Ct values ranging from 20 to 28 based on qRT-PCR analysis. (A color version of this figure is available in the online journal.)
