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为了解管区学幼机构传染病发病的变化情况及控制措施实施效果，对八年来法定传染病发病情况进行了调查，结果如下：1结果1．1学幼机构法定传染病发病率变化趋势1990年学幼机构传染病发病率为1070．78／10万，至1997年降低为137．75／10万，90～97年呈明显下降趋势（P＜0．of）
In order to understand the changes in the incidence of infectious diseases and the implementation of control measures in the district school, the incidence of legal notifiable diseases in the past eight years was investigated. Results are as follows: 1 Results 1.1 Trends in the incidence of notifiable infectious diseases The incidence of communicable diseases in kindergarten institutions was 1070.78 / 100 000, decreasing to 137.75 / 100 000 in 1997 and decreasing significantly from 90 to 97 (P <0.of)