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苏联用免疫接种预防儿童疾病,已经取得很大成功。1959年苏联开始DPT免疫接种。目前百日咳发病率约为10/10万,即为采用DPT免疫接种前的1/40。为了进一步降低发病率,自1980年起,将注射第1剂DPT时间改为3月龄,而不是5~6月龄(详见表1),然而,仍未引起婴儿免疫接种率显著增高。近年来,发现白喉发病率有所增加。1983年和1984年的报告病例数分别为1411和1609
The Soviet Union has achieved great success in immunization against childhood diseases. The Soviet Union started DPT immunization in 1959. The current incidence of whooping cough is about 10 million, that is, before using DPT immunization 1/40. To further reduce morbidity, the first dose of DPT injection was changed to 3 months of age instead of 5 to 6 months of age (see Table 1 for details) since 1980, however, the infantile immunization rate has not yet been significantly increased. In recent years, the incidence of diphtheria has been found to have increased. The reported cases in 1983 and 1984 were 1411 and 1609 respectively