When is quantitative HBsAg testing useful?

Hepatitis B virus (HBV) is the most common chronic viral infection worldwide; approximately one-third of the world's population have evidence of prior ... What is hepatitis B? Hepatitis B is a liver infection causedby the hepatitis B virus (HBV). This infection is spread much like HIV, the virus that causes AIDS ... Screening for hepatitis B surface antigen (HBsAg). Mar 31, 2025 ... What is hepatitis B? · Acute HBV occurs within 6 months after a person is exposed to HBV. In some people, acute HBV can lead to chronic HBV. Patients who are HBsAg negative but anti-HBc positive represent a heterogeneous group and should be differentiated further based on an antibody to 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 ... Jun 29, 2022 ... What is hepatitis B? Hepatitis B is a liver infection caused by the hepatitis B virus (HBV). HBV is one of five types of ... What is this test? This test looks for hepatitis B surface antigens (HBsAg) in your blood. The test is used to find out whether you have a recent or ... Jan 16, 2015 ... HBsAg and HBeAg levels were negatively and indirectly correlated with liver inflammation and fibrosis in CHB patients in the IC phase. For the qualitative confirmation of hepatitis B surface antigen (HBsAg) in human serum and plasma specimens (heparin,. EDTA, and sodium citrate) that have been ...