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Definitions
| HBV reactivation | Abrupt, marked increase in HBV replication (HBV DNA levels) usually accompanied by elevations in serum aminotransferase levels |
| Reverse seroconversion | Reappearance of HBsAg in a person who was HBsAg-negative, anti-HBc-positive |
| Recovered hepatitis B | Seropositivity for anti-HBc without detectable HBsAg (with or without anti-HBs) |
| Current HBV infection | Seropositivity for HBsAg |
