| HCWs | Number | Anti-HBc+ (%) | HBsAg+ (%) | HBsAg+ only (%) | HBV (%) |
| High | 709 | 419 (52.1) | 43 (6.1) | 14 (2) | 433 (60.1) |
| Medium | 37 | 25 (3.1) | 0 | 0 | 25 (57.6) |
| Low | 52 | 31 (3.9) | 6 (10.3) | 1 (1.7) | 37 (55.2) |
| Total | 804 | 475 (59.1) | 49 (1.9) | 15 (1.9) | 490 (60.9) |
HCWs, Healthcare workers risk goup.