Reanalysis of published single-cell sequencing data (GSE163668) of SARS-CoV-2 patient PBMCs. t-Distributed Stochastic Neighbor Embedding (tSNE)-based visualization of single-cells containing PBMCs from healthy donors, SARS-CoV-2 infected mild/moderate and severe patients was shown on the left panel and cluster annotations were shown on the right (A). 