https://www.zaobao.com.sg/realtime/world/story20210601-1150858
依照新命名系统，最早在英国发现的B117变种病毒将改称Alpha变种病毒，最早在南非发现的B1351将改称Beta变种病毒，最早在巴西发现的P1将改称Gamma变种病毒，而最早在印度发现的B1617有两个分支——属于须关切变种的B16172将改称Delta变种病毒，属于待观察变种的B16171将改称Kappa。
'It's the right thing to do': WHO renames COVID variants with Greek letter names to avoid confusion, stigma
PS
https://www.who.int/en/activities/tracking-SARS-CoV-2-variants/
|
WHO label |
Pango lineage |
GISAID clade/lineage | Nextstrain clade |
Earliest documented samples |
Date of designation |
|---|---|---|---|---|---|
|
Alpha |
B.1.1.7 |
GRY (formerly GR/501Y.V1) |
20I/S:501Y.V1 |
United Kingdom, |
18-Dec-2020 |
| Beta | B.1.351 | GH/501Y.V2 | 20H/S:501Y.V2 | South Africa, May-2020 |
18-Dec-2020 |
| Gamma | P.1 | GR/501Y.V3 | 20J/S:501Y.V3 | Brazil, Nov-2020 |
11-Jan-2021 |
| Delta | B.1.617.2 | G/452R.V3 | 21A/S:478K |
India,
|
| WHO label | Pango lineage |
GISAID clade/lineage | Nextstrain clade |
Earliest documented samples |
Date of designation |
|---|---|---|---|---|---|
| Epsilon | B.1.427/B.1.429 | GH/452R.V1 | 20C/S.452R | United States of America, Mar-2020 |
5-Mar-2021 |
| Zeta | P.2 | GR | 20B/S.484K | Brazil, Apr-2020 |
17-Mar-2021 |
| Eta | B.1.525 | G/484K.V3 | 20A/S484K | Multiple countries, Dec-2020 |
17-Mar-2021 |
| Theta | P.3 | GR | 20B/S:265C | Philippines, Jan-2021 |
24-Mar-2021 |
| Iota | B.1.526 | GH | 20C/S:484K | United States of America, Nov-2020 |
24-Mar-2021 |
| Kappa | B.1.617.1 | G/452R.V3 | 21A/S:154K | India, Oct-2020 |
4-Apr-2021
|