Extended Data Fig. 8: Quality control metrics.

a, Violin plot depicting Log10 values of total RNA transcripts detected per sample. b, Violin plot showing Log10 values of total genes detected per sample. c, UMAP representing Log10 values of total RNA transcripts detected per cell across all samples. d, UMAP depicting Log10 values of total genes detected per cell for across all samples. Nasopharyngeal swab samples were used in this analysis: n = 5 control samples, n = 14 moderate COVID-19 samples, and n = 13 critical COVID-19 samples.