本文分析了瑞典457名儿童接种破伤风菌苗后血清抗毒素水平及其保护作用。作者将457名儿童分为四组:5,6,10,16岁年龄组。其中,1963～1979年出生的儿童接种非吸附白-百-破三联菌苗,每毫升含20×10~9灭活的百日咳杆菌、30Lf白喉类毒素和5Lf破伤风类毒素。1979年及其后出生的儿童接种0.5毫升磷酸铝吸附白喉-破伤风二联菌苗(DT),含7.5Lf/ml破伤风类毒素和1.0Lf/ml白喉类毒素。于生后第2或第3个月进行首次基础免疫,间隔4～6周进行第2 This article analyzes the serum antitoxin levels and their protective effects in 457 Swedish children following tetanus inoculation. The authors divided 457 children into four groups: age groups 5,6,10,16. Among them, the children born between 1963 and 1979 were vaccinated with non-adsorbed white - 100 - broken triple vaccine, per ml with 20 × 10 9 inactivated Bordetella pertussis, 30Lf diphtheria toxoid and 5Lf tetanus toxoid. Children born in 1979 and thereafter were vaccinated with 0.5 ml of aluminum phosphate-adsorbed diphtheria-tetanus diphtheria vaccine (DT) containing 7.5 Lf / ml tetanus toxoid and 1.0 Lf / ml diphtheria toxoid. The first basic immunization was given at the second or third month after birth, with an interval of 4 to 6 weeks