Fig. 3: SARS-CoV-2 B.1.617.2 infection in vaccinated HCWs.
From: SARS-CoV-2 B.1.617.2 Delta variant replication and immune evasion
a–c, Maximum-likelihood phylogenies of vaccine breakthrough SARS-CoV-2 sequences among vaccinated HCWs at three centres. Phylogenies were inferred with IQTREE2 with 1,000 bootstrap replicates. SNPs, single nucleotide polymorphisms.
