• Updated sequence designations from B.1.617.2 to AY.4 (30498 sequences updated), AY.5 (2496 sequences updated), AY.6 (1019 sequences updated), AY.7 (664 sequences updated), AY.8 (631 sequences updated), AY.9 (2541 sequences updated) and AY.10 (367 sequences updated)
• Added new lineages AY.13-AY.22, AY.5.1, AY.5.2, AY.7.1 and AY.7.2. Number of designated sequences in these lineages: AY.13 - 688, AY.14 - 112, AY.15 - 94, AY.16 - 183, AY.17 - 57, AY.18 - 101, AY.19 - 87, AY.20 - 2445, AY.21 - 223, AY.22 - 158, AY.5.1 - 140, AY.5.2 - 183, AY.7.1 - 4624, AY.7.2 - 342