Allerdist H
Dtsch Med Wochenschr. 1981 Dec 25;106(51-52):1737-41. doi: 10.1055/s-2008-1070587.
Diphtheria antitoxin titres were measured by passive haemagglutination in a total of 4542 blood samples obtained between the end of 1980 and beginning of 1981 from staff at Hamburg hospitals and from randomly selected age-matched persons (1219). Among the hospital personnel 67.5% had no protective diphtheria antitoxin (less than or equal to 0.11 IU/ml), compared with 52% among the control group. Among those aged 15-24 years, 60.2% of staff were unprotected, compared with 46.6% of the control population. The geometric mean value of the diphtheria antitoxins also gave a worse immunity level for hospital personnel (0.08 IU/ml) than the control population (0.14 IU/ml). While geometric mean titre values of hospital staff beyond the age of 45 fell nearly continuously, those in the control population rose with increasing age.
1980年底至1981年初期间，从汉堡医院工作人员以及随机挑选的年龄匹配人员（1219人）中采集了共计4542份血样，通过被动血凝反应测定白喉抗毒素效价。在医院工作人员中，67.5%的人没有保护性白喉抗毒素（小于或等于0.11国际单位/毫升），而对照组这一比例为52%。在15至24岁的人群中，60.2%的工作人员没有受到保护，而对照人群中这一比例为46.6%。白喉抗毒素的几何平均值也表明，医院工作人员的免疫水平（0.08国际单位/毫升）低于对照人群（0.14国际单位/毫升）。45岁以上医院工作人员的几何平均效价几乎持续下降，而对照人群的效价则随着年龄增长而上升。
