Table 3.
Interpretation of serologic markers: hepatitis B virus infection status and corresponding percentages among medical waste handlers in southern Ethiopia, 2015
| Serologic marker |
Interpretation | n (%) | ||
|---|---|---|---|---|
| HBsAg | Anti-HBc | Anti-HBs | ||
| Negative | Negative | Negative | Susceptible | 89 (58.6) |
| Negative | Positive | Positive | Immune after infection | 34 (22.4) |
| Negative | Negative | Positive | Immune after vaccination | 3 (2.0) |
| Positive | Positive | Negative | Current infection | 2 (1.3) |
| Negative | Positive | Negative | Indeterminate: four possibilities | 24 (15.7) |
| - Resolving infection (window phase) | ||||
| - Remote resolved infection with low anti-HBs | ||||
| - Chronic infection with low levels of HBsAg | ||||
| - False positive anti-HBc, hence susceptible. | ||||
HBsAg, hepatitis B surface antigen; Anti-HBc, hepatitis B core antibody; Anti-HBs, hepatitis B surface antibody.