Table 1.
Summary of VOI and VOC as published by WHO (https://www.who.int/en/activities/tracking-SARS-CoV-2-variants, Last accessed on 17 Dec, 2021).
| WHO label | Pango lineage | GISAID clade/lineage | Status | Country of origin |
|---|---|---|---|---|
| Alpha | B.1.1.7 | GRY (formerly GR/501Y.V1) | VOC:18-Dec-2020 | United Kingdom; Sep-2020 |
| Beta | B.1.351 | GH/501Y.V2 | VOC:18-Dec-2020 | South Africa; May-2020 |
| B.1.351.2 | ||||
| B.1.351.3 | ||||
| Gamma | P.1 | GR/501Y.V3 | VOC:11-Jan-2021 | Brazil; Nov-2020 |
| P.1.1 | ||||
| P.1.2 | ||||
| Delta | B.1.617.2 | G/478K.V1 | VOI: 4-Apr-2021 VOC: 11-May-2021 |
India; Oct-2020 |
| AY.1 | ||||
| AY.2 | ||||
| Epsilon | B.1.427/B.1.429 | GH/452R.V1 | VOI:5-Mar-2021 | United States of America; Mar-2020 |
| Zeta | P.2 | GR/484K.V2 | VOI:17-Mar-2021 | Brazil; Apr-2020 |
| Eta | B.1.525 | G/484K.V3 | VOI:17-Mar-2021 | Multiple countries; Dec-2020 |
| Theta | P.3 | GR/1092K.V1 | VOI:24-Mar-2021 | Philippines; Jan-2021 |
| Iota | B.1.526 | GH/253G.V1 | VOI:24-Mar-2021 | United States of America; Nov-2020 |
| Nov-2020 | ||||
| Kappa | B.1.617.1 | G/452R.V3 | VOI:4-Apr-2021 | India; Oct-2020 |
| Lambda | C.37 | GR/452Q.V1 | VOI:14-06-2021 | Peru, Dec-2020 |
| Mu | B.1.621 | GH | VOI:30-Aug-2021 | Columbia; Jan-2021 |
| Omicron | B.1.1.529 | GRA | VUM: 24-Nov-2021 | Southern African countries, Nov-2021 |
| VOC: 26-Nov-2021 |