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目的分析我国2004～2008年度流行性脑脊髓膜炎(流脑)发病季节性特点和流行趋势,为制定流脑预防控制策略提供依据。方法分地区和流行年度按周统计发病数,用圆形分布法分析流脑季节性分布和流行趋势。结果我国各流行年度流脑发病具有明显的季节性(P<0.01),各流行年度和各地区流脑发病高峰日不全相同(P<0.01),流脑年度发病率与季节性无关。结论在流脑发病高峰期前加强监测,做好以预防接种为主的综合性防制工作。
Objective To analyze the seasonal features and epidemic trends of epidemic cerebrospinal meningitis (meningococcal) in China from 2004 to 2008, and provide evidence for the prevention and control of meningitis. Methods Divided by region and prevalence statistics by week, the seasonal distribution and epidemic trend of meningitis were analyzed by circular distribution method. Results The prevalence of meningococcal meningitis in each endemic year was obviously seasonal (P <0.01). The prevalence of meningitis in each endemic year was not the same as that of meningitis (P <0.01). The annual incidence of meningitis was not related to the seasonality. Conclusions The monitoring should be strengthened before the onset of meningitis and the comprehensive prevention and control should be done mainly with vaccination.