Page 86 - Demo
P. 86
Hepatitis B Serology: Key MarkersHBsAg (Hepatitis B surface Antigen):%u2022Positive in acute and chronic infection%u2022First marker to become abnormal after infectionHBeAg (Hepatitis B e Antigen):%u2022Indicates high infectivity and active viral replicationAnti-HBe:%u2022Antibodies against eAg%u2022Development indicates response to treatmentAnti-HBs:%u2022Present post-vaccination against HBV%u2022Indicates recovery and immunity against HBVAnti-HBc:%u2022Present at onset of symptoms%u2022Remains positive after treatment%u2022Indicates past infectionIgM Anti-HBc:%u2022Indicates recent acute infectionHBV DNA:%u2022Shows infectivity (acute viral replication)
