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为了研究流脑的季节性及其变化趋势 ,为预防和控制流脑提供准确、科学的依据 ,我们应用圆形分布法对远安县 1974～ 1998年的流脑疫情资料进行了分析 ,结果如下。一、资料与方法资料来源于 1974～ 1998年远安县传染病疫情报告资料。应用圆形分布法对远安县 2 5年流脑的季节性进
In order to study the seasonal and changing trend of ECM and provide an accurate and scientific basis for the prevention and control of ECM, we applied the circular distribution method to analyze the epidemic data of epidemic encephalitis in Yuan’an County from 1974 to 1998 with the following results. I. Data and Methods The data are from the epidemiological report of infectious diseases in Yuan’an County from 1974 to 1998. Seasonal distribution of meningitis in Yuanan County in 25 years by circular distribution method