title: [Diphtheria and tetanus immunity of blood donors].
abstract: Immunity to diphtheria and tetanus was determined in serum samples from 108 blood donors. Antitoxin concentration was evaluated by ELISA assay. 65% of donors were protected to diptheria and 100% to tetanus. Significant trend of decreasing immunity was observed with increasing age.
authors.affiliation: Zakład Badania Surowic i Szczepionek Państwowego Zakładu Higieny, Warszawa.
authors.forename: A
authors.initials: A
authors.lastname: Zakrzewska
mesh_terms: D000328:Adult; D001782:Blood Donors; D004165:Diphtheria / Q000097:blood* / Q000276:immunology*; D006801:Humans; D007074:Immunoglobulin G / Q000276:immunology; D008875:Middle Aged; D013742:Tetanus / Q000097:blood* / Q000276:immunology*
chemical_list: D007074:Immunoglobulin G