Throughanalysis of the sex,occupation and native place,it was found that thesusceptibility to Type C hepatitis and Type E hepatitis existed rathercommonly among population in Beijing area,and sporadic cases were notfew.

• 通过对性别、职业、籍贯的分析,可知北京地区人群中较普遍地存在对CH 和EH 的易感性,散发病例不少。