Previously circulating VOIs
The National Public Health Laboratory (NPHL) was set up in March 2009 by the Ministry of Health, Singapore. NPHL provides specialised laboratory tests to track changes in existing organisms, detect new and re-emerging diseases and respond to outbreaks.
| WHO label | Pango lineage* | GISAID clade | Nextstrain clade | Earliest documented samples | Date of designation |
|---|---|---|---|---|---|
| Epsilon | B.1.427 B.1.429 | GH/452R.V1 | 21C
| United States of America, Mar-2020
| VOI: 5-Mar-2021 Previous VOI: 6-Jul-2021 |
Zeta |
P.2 |
GR/484K.V2 |
20B/S.484K |
Brazil, Apr-2020 | VOI: 17-Mar-2021 Previous VOI: 6-Jul-2021 |
Eta
|
B.1.525 |
G/484K.V3 |
21D |
Multiple countries, Dec-2020 | VOI: 17-Mar-2021 Previous VOI: 20-Sep-2021 |
Theta |
P.3 |
GR/1092K.V1 |
21E |
Philippines, Jan-2021 | VOI: 24-Mar-2021 Previous VOI: 6-Jul-2021 |
Iota |
B.1.526 |
GH/253G.V1 |
21F |
United States of America, Nov-2020 | VOI: 24-Mar-2021 Previous VOI: 20-Sep-2021 |
Kappa |
B.1.617.1 |
G/452R.V3 |
21B |
India, Oct-2020 | VOI: 4-Aprl-2021 Previous VOI: 20-Sep-2021 |
Lambda |
C.37 |
GR/452Q.V1 |
21G |
Peru, Dec-2020 | VOI: 14-Jun-2021 Previous VOI: 9-Mar-2022 |
| Mu | B.1.621 | GH | 21H | Colombia, Jan-2021 | VOI: 30-Aug-2021 Previous VOI: 9-Mar-2022 |
*Includes all descendent lineages. The full list of Pango lineages can be found here: https://cov-lineages.org/lineage_list.html ; for FAQ, visit: https://www.pango.network/faqs/