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Fig. 5 | BMC Infectious Diseases

Fig. 5

From: Near complete genome sequences from Southern Vietnam revealed local features of genetic diversity and intergenerational changes in SARS- CoV-2 variants in 2020–2021

Fig. 5

Phylogenetic comparison and heatmap analysis of variations observed in Delta clades. In 2021, most strains from domestic and imported cases were in the Delta VOC, major lineage 21I, and minor lineages 21A and 21J. The figure shows the phylogenetic diversity and analysis of variations based on S gene sequence. Mutations were found relative to the Wuhan-Hu-1/2019 (GenBank: MN908947) reference strain. SGSV – Sgene sequence variants. Clades in which this pattern occurs are indicated in parentheses. The number of strains of the specified variant in the studied group is indicated by a colon

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