Table 2 Seroprevalence of HIV, HBV, HCV, and co-infections among 219 PWID in Dar-es-salaam, Tanzania
| Infection | Frequency positive | Seropositive | 95% CI of seropositive |
|---|---|---|---|
| HIV Antibody | 74 | 33.8 | 27.8–40.5 |
| HBV surface antigen | 17 | 7.8 | 4.9–12.1 |
| HCV antibody | 110 | 50.2 | 43.7–56.8 |
| HIV + HBV | 2 | 0.9 | 0.3–3.3 |
| HIV + HCV | 35 | 16.0 | 11.7–21.4 |
| HBV + HCV | 14 | 6.4 | 3.8–10.4 |
| HIV + HCV + HBV | 1 | 0.5 | 0.1–2.5 |
| Any infection | 151 | 68.9 | 62.5–74.7 |