近年来国内许多地方报导了一组散发性病毒性脑炎病例,这一组病例多具有急性或亚急性散发起病,有广泛脑实质损害的临床表现,如精神意识障碍、抽搐、发热等,其病因至今未明。现将我院自1973年4月～1979年9月住院病例76例,作简要分析,报导如下: 一、一般资料(一)性别与年龄。76例中男42例,女34例。本组年龄从5～50岁均可发病,以16～45岁青壮年最多见,占73.9%。(二)发病地区和职业。工人17例,农民21例,学生19例,儿童10例,干部5例,战士4例。本组市 In recent years, a number of cases of sporadic viral encephalitis have been reported in many places in China. Most of these cases have acute or subacute sporadic etiology, with extensive clinical manifestations of parenchymal damage such as mental disturbance, convulsions and fever, The etiology is still unknown. Now our hospital from April 1973 ~ September 1979 76 cases of inpatient, for a brief analysis, reported as follows: First, the general information (A) of the gender and age. There were 42 males and 34 females in 76 cases. The age group from 5 to 50 years old can be the incidence of young adults to 16 to 45 years of age the most common, accounting for 73.9%. (B) the incidence of areas and occupations. 17 workers, 21 peasants, 19 students, 10 children, 5 cadres and 4 soldiers. The city