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A member asked:
What is the definition or description of: hepatitis b surface ab?
3 doctors weighed in across 2 answers
Long-term immunity!: Hepatitis b surface antibody is an immune response to hepatitis b antigen in serum, which appears 1 to 10 weeks after exposure to hepatitis b virus. Antigen means something that makes our immune system produce an antibody to fight. In acute hepatitis b infection, the virus is the surface antigen (detected in serum) leading to production of surface antibody, to expel the virus, lasting for life.
Answered 3/24/2016
5.4k views
Marker: Of either past infection with resulting immunity or status post vaccination. This is a protective antibody.
Answered 9/11/2015
5.4k views
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