Table 1.
SARS-CoV-2 variants stablished by WHO
| WHO label | Earliest documented samples | Date of designation | Pango Lineage |
|---|---|---|---|
| Variants of concern | |||
| Alpha | UK, September 2020 | 18-Dec-2020 | B.1.1.7 |
| Beta | South Africa, May 2020 | 18-Dec-2020 | B.1.351 |
| Gamma | Brazil, November 2020 | 11-Jan-2021 | P.1 |
| Delta | India, October 2020 | 11-May-2021 | B.1.617.2 |
| Omicron | November 2021 | 24-Nov-2021 | B.1.1.529 |
| Variants of interest | |||
| Eta | December 2020 | 17-March-2021 | B.1.525 |
| Iota | USA, November 2020 | 24-March-2021 | B.1.526 |
| Kappa | Indian, October 2020 | 4-April-2021 | B.1.617 |
| Lambda | Peru, December 2020 | 14-June-2021 | C.37 |
| Mu | Colombia, January, 2021 | 30-Aug-2021 | B.1.621 |