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流脑是严重危害儿童、青少年身体健康的急性呼吸道传染病，在使用流脑多糖菌苗前，有周期性流行的规律，每８～１０年出现一次流行高峰。我市在５０～７０年代出现了３次不同程度的流行高峰。为掌握本市实行流脑多糖菌苗预防接种以来流脑流行的特征变化，为今后防治工作提供依
The meningitis is an acute respiratory disease that seriously endangers the health of children and adolescents. Before the use of meningitis polysaccharide vaccine, there was a regular pattern of cyclical epidemic, with a peak of epidemics every 8 to 10 years. The city appeared in the 50 to 70 three times the peak of varying degrees of popularity. In order to grasp the epidemic characteristics of meningococcal meningitis vaccination since the introduction of meningococcal vaccine in this Municipality,