流行性脑脊髓膜炎 (流脑 )起病急 ,死亡率高 ,是山西省重点防治的传染病。自使用流脑多糖菌苗免疫以来 ,发病率明显降低 ,打破了流脑的流行周期。为了解近年流脑的人群免疫状况和免疫效果 ,为流脑的防治提供依据 ,我们于春季采集了全省部分区县健康人群和昔阳县新近流脑菌苗免 Epidemic meningitis (meningitis) acute onset, high mortality rate, is the focus of prevention and treatment of infectious diseases in Shanxi Province. Since the use of meloxicam vaccine immunization, the incidence was significantly reduced, breaking the epidemic of meningitis cycle. In order to understand the immune status and immune effect of people with cerebellar encephalomycosis in recent years, we can provide the basis for the prevention and treatment of meningitis. In the spring, we collected the healthy population in some districts and counties in the province and the new meningitis vaccine in Xiyang County