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为掌握健康人群白喉免疫水平 ,威海市 1989～1998年开展了系统的白喉免疫监测 ,现将结果简报如下。1 监测对象、监测方法和判断标准 在威海市所辖的三市一区中 ,每年各抽取 3个乡 (镇 ,下同 ) ,每个乡随机抽取 3个村进行监测。将人群分为 2、2～、5～、8～、11～、15～、2 0
To understand the level of diphtheria immunity in healthy population, Weihai conducted systematic diphtheria immune surveillance from 1989 to 1998, and the results are summarized as follows. 1 Monitoring Object, Monitoring Method and Judgment Criteria In each of the three cities and districts under the jurisdiction of Weihai, three townships (towns and villages) are selected each year. Three villages are randomly selected for monitoring in each township. The population is divided into 2,2 ~, 5 ~, 8 ~, 11 ~, 15 ~, 20