[Use of adsorbed diphtheria-tetanus (DT) toxoid containing different doses of antigens in booster immunizations of children].

To decrease the antigenic load in booster immunizations of children against diphtheria and tetanus, the immunological effectiveness and reactogenicity of different doses of both antigens (i. e 1 Lf and 1 BU; 2.5 Lf and 2.