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| Phylogenetic group | No. of isolates (%) by origin |
|
|---|---|---|
| Domestic (n=53) | Imported (n=30) | |
| A | 11 (21) | 7 (23) |
| B1 | 17 (32) | 6 (20) |
| B2 | 0 (0) | 1 (3.3) |
| D | 25 (47) | 16 (53) |
