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应用因子分析理论，结合随州市８年来的流脑监测资料，对影响流脑流行的１２个因素进行了研究。结果表明，影响流脑流行的前六位因素是：人群流脑菌Ｂ群、Ａ群带菌率、一月份相对湿度、一月份发病率、流行前期流脑接种率和人群抗体平均滴度。尽管当前流脑发病以散发为主，但影响流脑流行的因素并未完全消失，继续广泛使用流脑Ａ群多糖菌苗，加强对流动人口及重点地区人群的监测工作仍具有重要意义
Applying the theory of factor analysis, combined with meningococcal monitoring data in Suizhou City in the past eight years, 12 factors influencing the epidemic of meningitis were studied. The results showed that the top six factors influencing the prevalence of meningitis were: population B group of meningitis, population carrying rate of group A, relative humidity in January, incidence in January, prevalence of meningococcal meningitis in early stage of epidemic and mean antibody titer of population. Although the current encephalitis is mainly emasculated, the factors influencing the epidemic of encephalitis have not disappeared completely. It is still of great significance to continue the widespread use of the meningococcal polysaccharide vaccine A and to strengthen the monitoring of the floating population and the population in key areas