The real datasets are comprised of two single-cell RNA sequencing (scRNA-seq) datasets–COVID-19 PBMC [7] and Human Pancreas [16]–and two mass cytometry (CyTOF) datasets-BCR-XL [14] and Levine32 [15] with manually annotated cell-type labels (see Additional file 1: Fig. S2). This evidence concerns the gene BCR and COVID-19.