Fig 1. Overall procedure of the study and transcriptional estimated infiltration of 22 types of immune cells in the lungs of COVID-19 patients.

(A) Diagram showing the comprehensive procedure of the study; (B) CIBERSORT abs score of 22 immune cells, colors represent the classification of the following: T cell lineage, B cell lineage, Myeloblast lineage, and other immune cells; (C) Similarity matrix representing the correlation among 22 immune cells in GSE150316.