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. 2023 Feb 7;14:1090717. doi: 10.3389/fphar.2023.1090717

FIGURE 4.

FIGURE 4

Comparative view of spike mutations within (A) Omicron and (B) Delta variants (Image source: Modified from COG-UK Mutation Explorer: http://sars2.cvr.gla.ac.uk/cog-uk).