恩施自治州地处湖北省西南部,是湖北省唯一的少数民族自治州,有土家、苗、汉、侗、蒙古等27个民族,其中以土家族苗族为主的少数民族人口占55·39%。2000年恩施市余龙坝作为全国结核病流行病学抽样调查点,其调查结果显示,活动性肺结核患病率为479·8/10万,传染性肺结核患病率为1 Enshi Autonomous Prefecture is located in the southwestern part of Hubei Province. It is the only minority autonomous prefecture in Hubei Province. There are 27 ethnic groups, including Tujia, Miao, Han, Dong and Mongolia. Among them, ethnic minority population mainly consisting of Tujia and Miao peoples accounts for 55.39% of the total. As a national epidemiological sampling point for tuberculosis in Yuchuan, Enshi City in 2000, the survey showed that the prevalence rate of active tuberculosis was 479.8 / 100,000 and the prevalence of infectious tuberculosis was 1