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郑州市郊区自一九六二年使用减毒活疫苗以来,发病率明显下降,但一九八二年又出现了较多的散发病例。为查找回升原因,掌握实际发病率和麻痹后遗症现患率,了解减毒活疫苗的免疫效果,更好地开展防治工作,我们于一九八三年五——十一月,在全区十五岁以下人群中,进行了脊髓灰质炎麻痹后遗症现患调查。
Since the use of attenuated live vaccines in the suburbs of Zhengzhou in 1962, the incidence has dropped significantly. However, more cases of sporadic cases were reported in 1982. To find out the reasons for the rise, to grasp the actual incidence and the incidence of paralytic sequelae, to understand the immune effect of live attenuated attenuated vaccines and to carry out better prevention and control work. From January to August in 1983, Under the age group, polio sequelae were investigated.