Methods Gender, age, economic income, vaccine history, residence and immunologic function of 35 cases of epidemic cerebrospinal meningitis and 70 normal people were analyzed.

• 方法对35例流脑病人和70例正常对照者的性别、年龄、经济收入、人口性质、疫苗接种史、住地及免疫功能状况进行分析。