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1994年,前苏联国家有50000例病人,约2000人死于白喉。随着边境开放,这些国家爆发流行的白喉造成了对邻国的威胁。德国血清学研究显示,孩子有很高的抗白喉免疫力。但是,相当一部分成年人却显示出不满意的抵抗力。在30—40岁之间的人口约三分之二的人没有或几乎没有白喉抗体。为了防止白喉地方性爆发,90%的孩子和75%的成年人不得不进行被动免疫。从这些数据看出,对成年人进行加强预
In 1994, there were 50,000 patients in the former Soviet Union countries and about 2,000 people died of diphtheria. As the borders open, the prevalence of diphtheria in those countries has posed a threat to neighboring countries. German serological studies have shown that children have high immunity against diphtheria. However, a considerable number of adults show unsatisfactory resistance. About two-thirds of the population between the ages of 30 and 40 have no or almost no diphtheria antibodies. In order to prevent the diphtheria endemic explosion, 90% of children and 75% of adults have to passive immunization. As can be seen from these data, adults are reinforced