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Distribution of subtypes of HBV isolates (Additional file 4)
| Subtype | Amino acids at specific position | Total | Percentage | Sub genotypes |
|---|---|---|---|---|
| adw2 | 122K + 127P + 160K | 11 | 28.2 | A1 (8) |
| C1 (3) | ||||
| ayw3 | 122R + 127T + 160K | 10 | 25.6 | A1 (1) |
| D5 (2) | ||||
| D2 (7) | ||||
| adr | 122K + 127P + 160R | 16 | 41 | C1 (16) |
| ayw2 | 122R + 127P + 140T + 159G + 160K | 2 | 5.1 | D1 (1) |
| D3 (1) | ||||
| Total | 39 | 100 |
The subtypes was determined by presence of specific amino acids at a paticular position as described in ref 5 and 7
