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我区近十多年来开展了大规模口服小儿麻痹症糖丸疫苗,小儿麻痹症发病率有了大幅度下降,但由于各种原因,近年来,在一些县又出现了局部地区的小暴发流行。为了查明原因,及时采取必要措施,我们于1981年2月抽查了小儿麻糖丸疫苗在各服食点的滴度,并同时在斗门县红旗农场(简称红旗)和佛山市敦厚大队和地区机关幼儿园(简称敦厚、机幼),抽查部份健康儿童的抗体水平动态,现将结果报告如下:
In recent ten years, our district has launched a large-scale oral polio vaccine and the incidence of polio has dropped dramatically. However, for various reasons, in some counties in recent years there have been minor outbreaks in some areas popular. In order to find out the reason and take the necessary measures in time, we checked the titers of Pediatric Nephrotic Syrup Vaccine at each service point in February 1981, and at the same time we dredged Doumen Red Flag Farm (Hongqi) and Dunhou Battalion and District of Foshan Kindergarten authorities (referred to as Dunhou, machine ki), spot checks of some healthy children’s antibody levels, the results are reported as follows: