Lineage A.1
Table 1 | Summary of lineage & sub-lineages
| Lineage | Most common countries | Earliest date | Number designated | Number assigned | Travel History | Description |
|---|---|---|---|---|---|---|
| A.1 | United States of America 82.0%, Australia 8.0%, Canada 7.0%, United Kingdom 1.0%, Iceland 1.0% | 2020-02-22 | 2700 | 2890 | USA lineage |