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流行性脑脊髓膜炎(以下简称流脑)严重危害人群健康,普及接种流脑 A 群多糖体菌苗(以下简称流脑菌苗)前、佳木斯地区流脑非流行年的发病率波动在12.40～34.20/10万,10年左右呈现一次流行高峰,1967的大流行发病率高达196.21/10万,1975和1976的两年流行发病率分别为61.86/10万和79.3/10万。自1984年推行流脑菌苗接种后,流脑发病率大幅度下降,打破了10年左右一次较大流行的规律,至1996年后,流脑发
Epidemic cerebrospinal meningitis (hereinafter referred to as meningitis) seriously endanger the health of the population, universal access to vaccination group A polysaccharides vaccine (hereinafter referred to meningococcal vaccine), Jiamusi meningitis non-epidemic year fluctuations in the incidence of 12.40 ~ 34.20 / 100000, showing a epidemic peak in about 10 years. The prevalence of the pandemic in 1967 was as high as 196.21 / 100,000. The prevalence rates in 1975 and 1976 were 61.86 / 100,000 and 79.3 / 100,000, respectively. Since the introduction of meningococcal vaccine in 1984, the incidence of meningitis dropped drastically, breaking the law of a major epidemic in about 10 years. After 1996, meningitis