Posted at 3:06 pm on 01/21/2015 by Powlin V. Manuel
As immunologists we are asked questions about the blood tests result for hepatitis B especially concerning the antigen and antibody. Here is the explanation about the surface antigen and surface antibody: 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. There are many other components in the blood test results for hepatitis B; we discuss them one at a time.
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