Table 1.
Summary of variants of concern (VOC) and variants under investigation (VUI) in August 2021 in the United Kingdom (source: Public Health England [29]).
| varianta | alternative names | lineage | total confirmed sequencing and genotyping cases, to 1 August 2021 | new cases since 4 August 2021 |
|---|---|---|---|---|
| Alpha | VOC-202012/01 | B.1.1.7 | 272 927 | 245 |
| Beta | VOC-202012/02 | 501Y.V2 B.1.351 | 1090 | 3 |
| Delta | VOC-21APR-02 | B.1.617.2 AY.1 and AY.2 | 433 079 | 51 057 |
| VOC-21FEB-02 | VOC02-202102/ | B.1.1.7 with E484 K | 46 | 0 |
| Gamma | VOC-202101/02 | P.1 | 263 | 3 |
| Kappa | VUI-21APR-01 | B.1.617.1 | 495 | 1 |
| VUI-21APR-03 | n.a. | B.1.617.3 | 14 | 0 |
| VUI-21FEB-01 | VUI-202101/02 | A.23.1 with E484 K | 79 | 0 |
| Eta | VUI-202102/03 | B.1.525 (previously designated UK1188) | 495 | 0 |
| VUI-21FEB-04 | VUI-202102/03 | B.1.1.318 | 350 | 4 |
| Zeta | VUI-202101/01 | P.2 | 60 | 0 |
| Theta | VUI-21Mar-02 | P.3 | 10 | 3 |
| VUI-21MAY-01 | n.a. | AV.1 | 185 | 0 |
| VUI-21MAY-02 | n.a. | C.36.3 | 153 | 0 |
| Lambda | VUI-21JUN-01 | C.37 | 8 | 0 |
| VUI-21JUL-01 | n.a. | B.1.621 | 40 | 3 |
aUsing WHO naming where available.