What is the immune-active phase of chronic hepatitis B?

Oct 23, 2015 ... HBsAg (Hepatitis B surface antigen) - A "positive" or "reactive" HBsAg test result indicates that a person is infected with hepatitis B. This ... Jul 17, 2006 ... Liver enzymes (aminotransferases) should be monitored every 3-6 months to determine whether the patient truly has persistently normal liver ... Aug 13, 2023 ... HBV S gene mutations are known to influence the occurrence of HBsAg-negative and HBV DNA-positive cases. These mutations are called immune ... The deadly liver disease known as hepatitis B is caused by the Hepatitis B virus (HBV). Some people initially show no symptoms. Here we introduce the various serological markers of HBV infection, which will help us to understand the various phases of acute and chronic hepatitis B. HBsAg ... The Elecsys HBsAg II assay was specifically developed to detect a multitude of these mutants. HBsAg is the first immunologic marker of HBV infection and is ... Apr 9, 2025 ... ... HBV infection (HBsAg prevalence of 2% or higher); People with hepatitis C virus infection; People with chronic liver disease (including, but ... HBsAg ... HBsAg (also known as the Australia antigen) is the surface antigen of the hepatitis B virus (HBV). Its presence in blood indicates existing hepatitis B ... Detection of hepatitis B surface antigen (HBsAg) or hepatitis B virus (HBV) DNA in blood from a patient < 6 months of age. HBsAg carriers have all of the HBV antigens and HBV. Address reprint requests to: Jay H. Hoofnagle, M.D., Liver Diseases. Section, Building 10, Room 4-D-52 ...