Table 3 Number of sequences involved in recent transmission clusters according to HCV subtype and infection type among viremic group participants.
HCV subtype | Patient type | Sequences in clusters1 | No. of sequences2 | Clustering ratio3 | ||
|---|---|---|---|---|---|---|
Primary infection | Treatment failure | Reinfection | ||||
1a | 10 (6.0%) | – | 3 (1.8%) | 13 (7.8%) | 61 (36.5%) | 21.3 |
1b | 12 (7.2%) | – | 2 (1.2%) | 14 (8.4%) | 31 (18.6%) | 45.2 |
2 | – | – | – | – | 1 (0.6%) | – |
3a | 5 (3.0%) | 1 (0.6%) | 2 (1.2%) | 8 (4.8%) | 46 (27.5%) | 17.4 |
4a | 2 (1.2%) | – | – | 2 (1.2%) | 10 (6.0%) | 20.0 |
4d | 3 (1.8%) | – | – | 3 (1.8%) | 17 (10.2%) | 17.6 |
6a | – | – | – | – | 1 (0.6%) | – |
Sequences in clusters | 32 (19.2%) | 1 (0.6%) | 7 (4.2%) | 40 (24.0%) | – | |
No. of sequences | 145 (86.8%) | 3 (1.8%) | 19 (11.4%) | – | 167 (100%) | |
Clustering ratio | 22.1 | 33.3 | 36.8 | |||
