HBsAg is the surface antigen of the hepatitis B virus (HBV). It indicates current hepatitis B infection. ==Structure and function== The viral envelope of an enveloped virus has different surface proteins from the rest of the virus which act as antigens. These antigens are recognized by antibody proteins that bind specifically to one of these surfa...
<immunology, virology> A serologic marker on the surface of the hepatitis B virus. The body will normally produce antibodies to hepatitis B surface antigen as part of the normal immune response to infection. It is the presence of antibodies to the hepatitis B surface antigen that are detected in a positive hepatitis B blood test. ... (27 Sep ...
hepatitis B surface antigen.
Hepatitis B surface antigen is a protein of the virus that is the first to appear after infection. Continued presence of HBsAg for 6 months indicates chronic infection.
Type: Abbreviation Definitions: 1. Abbreviation for hepatitis B surface antigen.
Hepatitis B surface antigen
Hepatitis B surface