Fig. 2
From: Tracking cryptic SARS-CoV-2 hospital outbreak through quasispecies analysis
Time-resolved maximum-likelihood tree of SARS-CoV-2 including 13 whole genomes obtained from the hospitalized patients considered for this study in addition with a set of representative Italian data (n = 2331) collected between November 2022 and October 2023. The genomes are colored according to the SARS-CoV-2 lineages. In addition, the Clusters 1 and 2, that include patients admitted to the cardiology unit identified in this study, are highlighted