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. 2023 Jan 25;5(1):14–20. doi: 10.1016/j.jobb.2023.01.002

Fig. 1.

Fig. 1

A) Distribution of different SARS-CoV-2 variants during 2022. Different colors represent different variants. The variants alternate dominance over time forming a four stage epidemic. B) Phylogeny tree shows the current major variants, BA.2.* and BA.5.*, and other variants that previously originated from the original SARS-CoV-2 virus.