| BA.4 | South_Africa 40.0%, United States of America 20.0%, United Kingdom 11.0%, Denmark 4.0%, Germany 4.0% | 2022-01-10 | 588design | 4902 assign. | Alias of B.1.1.529.4, from pango-designation issue #517 | Omicron |
| BA.4.1 | 570 design. |
0 assign. |
Alias of B.1.1.529.4.1, mainly found in South Africa, from pango-designation issue #548 | |||
| BA.4.1.1 | 49 design. |
0 assign. |
Alias of B.1.1.529.4.1.1, mainly found in South Africa and Germany, from pango-designation issue #667 |
