Marker |
Indicates |
HBsAg |
Active infection (acute or chronic) |
Anti-HBs |
Immunity due to vaccination or past infection |
HBeAg |
High viral replication, more infectivity |
Anti-HBe |
Low viral replication, less infectivity |
HBcAg |
Present inside infected liver cells (not detected in serum) |
Anti-HBc IgM |
Recent acute infection |
Anti-HBc IgG |
Past or chronic infection |