江苏省盐城市多年坚持把儿童计划免疫工作作为卫生防病工作的重头戏，采取切实有效措施，提高免疫接种率和接种质量。据该市最近对全市近２０００名４岁以下儿童的抽样调查，儿童建证率、“四苗”覆盖率分别达９９．９％和９８．５％。计划免疫相关疾病总发病率为０．５４... Yancheng City, Jiangsu Province, insisted for many years on immunization of children’s plans as a highlight of health and disease prevention work and took effective measures to improve immunization coverage and vaccination quality. According to a recent sample survey of nearly 2,000 children under the age of 4 in the city, the coverage rate of children’s Jianzheng and “Si Miao” reached 99.9% and 98.5% respectively. The total incidence of planned immune-related diseases is 0.54 ...