摘要 为研究近9年来连云港市第一人民医院流行性乙型脑炎(简称乙脑)住院患儿的发病率及死亡率，对在1988～1996年之间儿科住院的107例乙脑患者进行临床流行病学分析。结果：107例占9年中总住院数0.65%，其中农村98例，城市9例，农村与城市之比为10.8∶1。大多数在4岁以下发病，计87例，占81.31%。9年中的发病时间均集中于7月下旬及8月上中旬。其中1990年及1992年两年的住院病例最多，共55例，占总数的51.40%，分别占全年总病例数的1.56%及1.53%。说明乙脑有严格的季节性，若将前4年与后5年作一比较，显示出后5年比前4年住院病例有减少，轻型、普通型有明显增加，而重型、极重型明显减少。全市的发病率及死亡率也有明显下降。

    

    Epidemiological Analysis on Inpatients with EpidemicEncephalitis B at NO.1 Hospital of Lian Yungang from 1988-1996 Sun Gui.Department of Pediatrics No.1 Hospital of Lian Yungang, Jiangsu 222002

    Abstract To study the morbidity and mortality of inpatients with epidemicencephalitis B (EEB) admitted to No.1 hospital of Lian Yungang city from 1988-1996, 107inpatients with EEB in the pediatrics department the hospital were analyzed epidemiologically. Results showed that 107 children with EEB had a proportion of 0.65% toall children admitted in the pediatrics department during that 9 years including 98 casesfrom the countryside and 9 cases from cities. The ratio was 10.8/1.0 when comparingcountryside to city. 87 inpatients (81.3%)of EEB children were below 4 year of ageconsisting. Most patients were infected in late July or early August in 1990 and 1992 withnumber of 55 out of 107 (51.4%) that consisted 1.56% and 1.53% of the inpatients inpediatrics those years. It was concluded that EEB had a strict seasonal feature. Bycomparing data from the first 4 years with the latter 5 years, we noticed that theincidence of the latter had a considerable decrease with more milder cases. The morbidityand mortality of the whole city also appeared a decreasing tendency.

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