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"Anti-HBs assay is used to perform quantitative determination of antibody to Hepatitis B surface antigen (Anti-HBs) in human serum and plasma. Anti-HBs assays are often used to monitor the success of Hepatitis B vaccination. The presence of anti-HBs has been shown to be important in protection against Hepatitis B virus (HBV) infection.
Assays for anti-HBs are also used to monitor the convalescence and recovery of Hepatitis B infected individuals. The presence of anti-HBs after acute HBV infection and loss of Hepatitis B virus surface antigen (HBsAg) can be a useful indicator of disease resolution. Detection of anti-HBs in an asymptomatic individual may indicate previous exposure to HBV.
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