为了解呼和浩特农村地区病毒性乙型肝炎(下称乙肝)的感染状况,以便为乙肝防治提供科学依据,我们于1996年6月对呼市某农区不同年龄健康人群进行了乙肝血清流行病学调查,现将结果报告如下。1　对象与方法按照整群抽样的原则,选取某县某乡所在地不同年龄健康人群为调查对象,按统一 To understand the infection status of viral hepatitis B (hereinafter referred to as hepatitis B) in rural areas of Hohhot so as to provide a scientific basis for the prevention and treatment of hepatitis B, we conducted a Hepatitis B Seroepidemiology in June 1996 on healthy population of different age in Hohhot Survey, the results are reported below. 1 Subjects and Methods According to the principle of cluster sampling, select the county where a county township health population at different ages as the survey, according to the unified