Fig. 4
From: Tracking cryptic SARS-CoV-2 hospital outbreak through quasispecies analysis

(A) Cluster heatmap built up with the iSNVs found in the whole SARS-CoV-2 genome, based on the similarity between samples. (B) Cluster heatmap constructed with iSNVs identified in the nsp2, ORF3, and ORF7 genes. Colors are defined according to the scale