Can a person have a positive HBsAg and not be contagious?

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 ... Screening for hepatitis B surface antigen (HBsAg). Oct 4, 2023 ... ... (HBsAg). Normally, the HbsAg should be negative. If the pregnant ... Preventing HBV reactivation — If a person with chronic HBV ... Sep 13, 2022 ... Hepatitis B surface antigen (HBsAg): These are proteins present on the surface of HBV. · Hepatitis B surface antibody (anti-HBs): In response to ... The HBsAg Confirmatory Assay uses the principle of specific antibody neutralization to confirm the presence of HBsAg in specimens found to be repeatedly ... Dec 15, 2019 ... Personally I don't think there is any benefit in vaccinating a person that is HBsAg negative but anti-HBc positive. Feb 29, 2024 ... The assay works on the principle of neutralizing the HBsAg in the tested serum sample and then demonstrating a decrease in the resulting signal strength. Nov 7, 2024 ... HBsAg positive and known to have a HBV DNA level equal to or above 1 x 106 IU/ml; HBsAg positive as a result of recent acute infection; HBsAg ... 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 ... Custom Additional Information. Hepatitis B surface antigen (HBsAg) is a distinctive serological marker of acute or chronic hepatitis B infection. HBsAg is the ...