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Emergence and global prevalence of the D614G and variant of concern lineages of SARS-CoV-2. Sequence data was downloaded from the Global Initiative on Sharing All Influenza Data (GISAID) and graphed as weekly totals (refs (7 and 8)). D614 and G614 genotype prevalence is shown from January to September 2020, and variant of concern lineage prevalence is shown from September 2020 to April 2022.
