甘南藏族自治州有藏、汉、回等 2 4个民族 ,其中藏族占47% ,汉族占 45% ,回族占 6 8% ,其他少数民族占 1 2 %。解放初期 ,甘肃省是全国性病重点流行区之一 ,梅毒患病率平均为 10 %。 1980和 1985年先后在甘南夏河县城乡普查 ,梅毒患病率为 5 17% ,其中藏族患病率为 6 19%。表明 Gannan Tibetan Autonomous Prefecture has 24 ethnic groups such as Tibet, Han and Hui, of which 47% are Tibetans, 45% are Hans, Hui is 68%, and other ethnic minorities are 12%. In the early days of the liberation, Gansu Province was one of the key epidemic areas for STDs in the country, and the prevalence of syphilis was 10% on average. In the 1980s and 1985 surveys in the urban and rural areas of Xiahe County, Gannan Province, the prevalence of syphilis was 5 17%, of which the prevalence of Tibetans was 6 19%. show