Detection and evaluation of chronic hepatitis B and C patients who were lost to medical follow up

efficacy of hepatitis b vaccine in those who lost hepatitis b surface antigen during follow-up

immune response to hepatitis b vaccine in patients who lost hepatitis b surface antigen during follow up

Efficacy of Hepatitis B vaccine in those who lost Hepatitis B surface antigen during follow-up

BACKGROUND The level of HBsAg in some chronic hepatitis B virus (HBV)-infected individuals may decline over time so that it is not detectable in serum. OBJECTIVE To assess the efficacy of HBV vaccine in those who lost their HBsAg without seroconverssion to anti-HBs antibody. PATIENTS AND METHODS From April 1993 to December 2008, of 1603 chronic HBV-infected individuals, 34 (22 men and 12 wo...

Immune response to hepatitis B vaccine in patients who lost hepatitis B surface antigen during follow up

We read with interest the article by Taheri et al. regarding the efficacy of Hepatitis B vaccine in those who lost Hepatitis B surface antigen (HbsAg) during follow up (1). As the authors mentioned, a protective anti-HBs level developed in 24% of chronic HBsAg-positive subjects who had already lost their HBsAg after hepatitis B vaccination, and the remaining cases need to be monitored for occul...

broader use of hepatitis b virus vaccine: efficacy in those who lost hepatitis b surface antigen during follow-up