نتایج جستجو برای: anti hbc
تعداد نتایج: 363352 فیلتر نتایج به سال:
background and objective: although hepatitis b vaccine immunogenicity is high, certain risk factors such as age, tobacco consumption, obesity and genetic background have been associated with low responsiveness to hbv vaccine. we aimed to evaluate the role of occult hepatitis b virus (hbv) infection in non-responder adults to hbv vaccine in a low endemic area for hbv. material and methods : a to...
Hepatitis B virus (HBV) infections are a global public health problem. Chronic hepatitis (CHB) infection is associated with an increased risk of cirrhosis, hepatic decompensation and hepatocellular carcinoma (HCC). In virus-infected liver cells, HBsAg produced in excess secreted into the blood, where it serves as marker for active infectivity. Currently, recombinant used HBV vaccination, develo...
In order to estimate the prevalence of serological markers of exposure to Hepatitis B Virus (HBV), 295 subjects were selected at random from the National Registry of human immunodeficiency virus positive subjects. Evidence of exposure to HBV was defined as: testing Hepatitis B surface antigen (HBsAg) and anti-Hepatitis B core antigen (anti-HBc) positive or anti-HBc positive only. Overall, 133 (...
OBJECTIVES We investigated the prevalence of hepatitis B virus (HBV) markers and occult HBV infection in a general adult population in Korea. METHODS HBsAg, anti-HBs and anti-HBc were analyzed on 1,091 samples of routine medical check-up examinees by chemiluminescence immunoassay. Nucleic acid amplification test (NAT) was performed on 1,047 HBsAg-negative samples by multiplex real-time polyme...
Several recent reports have shown that hepatitis B virus (HBV) could be frequently transmitted to the recipients from donors who have antibodies to hepatitis B core antigen (anti-HBc) through liver transplantation. We provide here the molecular evidence of latent HBV infection accompanied with ongoing viral replication in the liver tissue of anti-HBc-positive healthy individuals. HBV DNA was de...
Introduction: Vaccination with the major surface antigen of hepatitis B virus (HBsAg) induces anti-HBs antibody production and level of 10 IU/L is considered protective. It has been shown that the level of anti-HBs antibody does wane after vaccination. The aim of this study was to evaluate the persistence of anti-HBs antibodies in healthy Iranian children 10 years after primary vaccination. Me...
Forty one consecutive patients (24 males and 17 females) with AIDS had their blood assayed for HBsAg, anti-HBs and anti-HBc by Reversed Passive Haemagglutination (RPHA), Passive Haemagglutination (PHA) and Enzyme Linked Immunosorbent Assay (ELISA) techniques respectively. 5 (12.2%) were found positive for HBsAg. 10 (24.4%) for anti-HBs and 31 (75.6%) for anti-HBc. 32 (78%) out of 41 patients wi...
The aim of this study was to estimate the prevalence of hepatitis B exposure in the population of the Republic of Ireland, by measuring the prevalence of hepatitis B anti-core antibody in oral fluid collected by postal survey. A random multi-stage stratified sample of Irish households was obtained, using the Irish electoral register as the sampling frame. A total of 962 households were selected...
BACKGROUND AND OBJECTIVE Although hepatitis B vaccine immunogenicity is high, certain risk factors such as age, tobacco consumption, obesity and genetic background have been associated with low responsiveness to HBV vaccine. We aimed to evaluate the role of occult hepatitis B virus (HBV) infection in non-responder adults to HBV vaccine in a low endemic area for HBV. MATERIAL AND METHODS A tot...
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