流行性脑脊髓膜炎(以下简称流脑)是由脑膜炎奈瑟菌通过呼吸道传播所引起的化脓性脑膜炎。近年来在安徽、江苏等地区出现了C群流脑疫情暴发,该群流脑毒力较强,感染后死亡率较高。为了解金山区健康人群流脑A群、C群抗体水平和带菌状况,预测流脑疫情发病趋势,及时采取针对性控制措 Epidemic meningococcal meningitis (hereinafter referred to as meningitis) is caused by Neisseria meningitidis transmitted through the respiratory tract purulent meningitis. In recent years in Anhui, Jiangsu and other areas there have been outbreaks of group C meningitis outbreak, the group of meningitis is strong, high mortality after infection. In order to understand the population of meningitis group A and group C antibody in healthy population in Jinshan District and to detect the prevalence of meningococcal disease and to take targeted control measures in time