Fig. 4From: A regional genomic surveillance program is implemented to monitor the occurrence and emergence of SARS-CoV-2 variants in Yubei District, ChinaPhylogenetic tree in the time-scaled of 578 SARS-CoV-2 genomes sampled between January 2022 and May 2023 classification by clade (A) and classification by pango lineage (B). SARS‐CoV‐2, severe acute respiratory syndrome coronavirus‐2Back to article page