Extended Data Fig. 6: Positive and negative assessments of clinical samples.

The dotted line represents fluorescence intensity threshold of 3 × s.d. above blank, which is the mean value of all blank samples in each chip. a, fluorescence signal of G142-Y145, K417 and L452 loci for all clinical samples, Dots in black for uninfected individuals, grey for non-SARS-CoV-2 HVs-infected patients, dark red for Alpha (b), green for Beta (c), blue for Delta (d), yellow for Omicron BA.1 (e), purple for Omicron BA.2 (f), orange for Omicron BA.5 (g), red for SARS-CoV-2 wild type (h).