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    Vaccine. 2011 Jan 29;29(5):1005-8. Epub 2010 Dec 1.

    Long-term antibody persistence and immune memory to hepatitis B virus in adult celiac patients vaccinated as adolescents.

    Source

    Department of Clinical and Experimental Medicine, Federico II University of Naples, Italy.

    Abstract

    Aim of this study was to investigate the anti-HBs antibody persistence and immune memory to hepatitis B virus in adult celiacs vaccinated as adolescents and the effect of a booster administration in non-protected individuals. Eleven years after primary vaccination, the proportion of vaccinees with titres ≥ 10 mIU/ml and antibody geometric mean concentrations (GMCs) were lower among celiac patients than among controls (68.6% vs 91.7%, p<0.01; GMCs 29.38 mIU/ml vs 250.6 mIU/ml, p<0.001). Participants with anti-HBs below 10 mIU/ml received a booster dose and were retested 2 weeks later to assess the anamnestic response. Post-booster anti-HBs levels were still <10 mIU/ml in 71.4% celiacs and 25% controls (p<0.01). Our findings indicate that the prevalence of seroprotective levels of anti-HBs detected eleven years after primary immunization as well as the frequency of response to a booster dose of vaccine are lower in celiac patients compared to healthy controls.

    Copyright © 2010 Elsevier Ltd. All rights reserved.

    PMID:
    21129395
    [PubMed - indexed for MEDLINE]

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