Book a Test- Anti HBs Antibody

Anti-HBs (antibody to hepatitis B surface antigen) is a blood test used to detect the presence of antibodies against the hepatitis B virus (HBV). These antibodies are produced by the immune system in response to HBV infection or vaccination. The test is used to determine if a person has immunity to HBV, either through vaccination or past infection. A positive test result indicates the presence of anti-HBs antibodies, which can provide lifelong protection against HBV infection. This is because the antibodies recognize and bind to the surface antigen of the HBV, preventing the virus from entering and infecting liver cells. The test is an important tool for assessing immunity to HBV and is commonly used in various settings, including healthcare and public health. The presence of anti-HBs antibodies is generally considered protective against HBV infection, while the absence of these antibodies may indicate susceptibility to infection. Therefore, the anti-HBs test is a valuable tool for identifying individuals who may be at risk of HBV infection and for monitoring the effectiveness of HBV vaccination programs.