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Dynamics of replacement of variants of concern (VOCs) during the first 2 years of the pandemic. Data are based on over eight million sequences from GISAID EpiCoV 2022_02_22. The emergence of D614G is included for completeness. BA.1 (orange) and BA.2 (dark orange) are subvariants of Omicron (dark blue) and are highlighted individually for completeness.
