CD4 and rosacea: The Corheatmap revealed that there was a positive strong correlation between resting NK cells and activated dendritic cells, activated mast cells and Tregs, monocytes and M1 macrophages, while there was a negative correlation between gamma delta T cells and resting dendritic cells, activated memory CD4 + T cell and follicular helper T cells in rosacea lesions (Supplementary Fig. 6A).