title: [Hepatitis B virus epidemiology: degree of contamination and hyperreactors].
abstract: 152 anti-HBs positive blood donors were observed for 2 to 9 years for persistence of this hepatitis-B marker. The results suggest an average persistence of anti-HBs-positive findings in the controlled carriers of at least 10 years. Some of the investigated blood donors belong to a special group of "hyperreactors" with long-lasting persistence of high-titred anti-HBs. These are apparently persons with a special immune reaction pattern.
mesh_terms: D000328:Adult; D000368:Aged; D000914:Antibodies, Viral / Q000032:analysis*; D001782:Blood Donors; D006509:Hepatitis B / Q000276:immunology*; D006510:Hepatitis B Antibodies / Q000032:analysis*; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D008875:Middle Aged; D013997:Time Factors
chemical_list: D000914:Antibodies, Viral; D006510:Hepatitis B Antibodies; D007075:Immunoglobulin M
vernacular_title: Beitrag zur Hepatitis-B-virus-Epidemiologie: Durchseuchung und Hyperreaktoren.