龙亭区于1989年起实行儿童计免保偿制度,为了解入保前后四苗接种率情况,连续三年,我们做了调查,现将结果报告如下:一、材料来源:1988年、1989年、1990年连续三年四苗接种率调查结果。二、调查方法及内容:按卫生部制定的《计划免疫工作考核办法》与《计免工作考核办法补充规定》进行,由防疫站统一组织计免人员进行四苗接种率调查。三、调查对象:上一年10月1日至下一年10月 Longting District in 1989 from the implementation of child-free compensation system, in order to understand the situation before and after the four vaccination coverage, for three consecutive years, we did a survey, the results are reported as follows: First, the source of material: 1988, 1989 Year, 1990, three consecutive four-year vaccination rate survey results. Second, the survey methods and content: According to the Ministry of Health to develop the “assessment of the work of immunization methods” and “the provisions of the work-free assessment of the supplementary provisions of” by the Epidemic Prevention Station unified organization of personnel exempt from the four seedlings vaccination survey. Third, the survey: the previous year from October 1 to October next year