Fig. 1 |. Emerging SARS-CoV-2 variants identified in the UK and SA.
a, Phylogenetic tree of SARS-CoV-2 variants, with B.1.351 and B.1.1.7 highlighted. b, Mutations in the viral spike identified in B.1.351 (SA) and B.1.1.7 (UK) in addition to D614G.
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