Table. Number of sequences of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), by case exposure and virus clade (Nextstrain clade assignment), Sweden, January–June 2020 (n = 1,684).
| Exposure | Clade | Total | ||||||
|---|---|---|---|---|---|---|---|---|
| Category | Country | 19A | 19B | 20A | 20B | 20C | 20D | |
| Domestic | Sweden | 22 | 3 | 141 | 189 | 722 | 0 | 1,077 |
| Abroad | Austria | 22 | 0 | 8 | 2 | 39 | 0 | 71 |
| Abroad | Italy | 5 | 0 | 79 | 122 | 1 | 5 | 212 |
| Abroad | Other countries | 13 | 0 | 10 | 9 | 13 | 0 | 45 |
| No data | No data | 4 | 1 | 25 | 116 | 133 | 0 | 279 |
| Total | 66 | 4 | 263 | 438 | 908 | 5 | 1,684 | |