What are the sensitivity and specificity of different HBsAg assays?

SPECIFICATIONS · Analytical sensitivity: 0.1 IU/mL · Specificity: 99.6% · Sample volume: 50µl · Time to result: 15 min · Sample types: Serum/Plasma, Fingerstick ... What is hepatitis B? - Hepatitis B is caused by a virus that attacks the liver. The virus, which is called hepatitis B virus (HBV), can cause lifelong infection ... Order baseline hepatitis B testing if the parent is HBsAg positive. • Order HBV DNA at 28 – 32 weeks gestation to evaluate the need for antiviral therapy. • ... The Alinity s HBsAg Confirmatory assay is used to confirm the presence of hepatitis B surface antigen (HBsAg) in human serum and plasma by means of specific ... Screening for hepatitis B surface antigen (HBsAg). Hepatitis B virus (HBV) infects more than 300 million people worldwide and is a common cause of liver disease and liver cancer. 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 ... 'HB' refers to hepatitis B, a virus that infects liver cells. The 's' refers to surface, and the 'Ag' means antigen. So, HBsAg is a surface antigen on the ... Hepatitis B virus (HBV) is the most common chronic viral infection worldwide; approximately one-third of the world's population have evidence of prior ... Detection and quantification of hepatitis B virus (HBV) DNA in serum of patients with chronic HBV infection (ie, hepatitis B surface antigen-positive)