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［ 研究背景］１９９６ 年７ ～９ 月间延边地区曾流行病毒性脑炎、脑膜炎，此间收治３１３ 例此病患儿．［ 病例报告］３１３ 例均为急性发病，男略多于女；平均年龄９ 岁，高峰在６ ～１０ 岁；均有发热、头痛，以低度、中度热为主，多数伴恶心、呕吐；意识障碍以嗜睡为主；多数有脑膜刺激征．多数脑脊液改变，末梢血淋巴细胞升高．脑脊液、粪便中分离出肠道病毒．平均病程１４ｄ，愈后较好．［ 讨论］ 本次流行的病毒性脑炎系肠道病毒感染所致，发病急，多见于学龄儿童，临床表现相对轻，病程短，预后较好．
[Background] From July to September 1996, epidemic encephalitis and meningitis were endemic in Yanbian area, and 313 children with this disease were admitted here. [Case Reports] 313 cases were acute onset, slightly more men than women; average age 9 years old, the peak at 6 to 10 years; have fever, headache, low to moderate fever, most with nausea and vomiting ; Disturbance of consciousness to drowsiness; most have meningeal irritation. Most cerebrospinal fluid changes, peripheral blood lymphocytes increased. Cerebrospinal fluid, feces isolated from enterovirus. The average duration of 14d, better after healing. [Discussion] The epidemic of viral encephalitis is caused by enterovirus infection, the incidence of acute, more common in school-age children, clinical manifestations are relatively light, short duration, the prognosis is good.