方法通过回顾性调查辖区1岁组流动儿童预防接种各苗接种率和全程接种率，利用调查问卷形式分析流动儿童迟种漏种的原因。
METHODS To find out the inoculation rate and all-course inoculation rate of age 1 group by a retrospective study, and to find out the reasons of childrens late inoculation and missing inoculation.
方法通过回顾性调查辖区1岁组流动儿童预防接种各苗接种率和全程接种率，利用调查问卷形式分析流动儿童迟种漏种的原因。
METHODS To find out the inoculation rate and all-course inoculation rate of age 1 group by a retrospective study, and to find out the reasons of childrens late inoculation and missing inoculation.
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