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礼县位于甘肃省的南部,境内群山连绵,海拨1500～2500m,东邻天水市及西和县,南连武都县,西依宕昌,北接武山和甘谷县,从而与陇南地区有黑热病流行的县连成一片。一、流行情况据资料记载,黑热病在该县流行至少已有33年,1956～1989年累计发病人数有927例,死亡30例。全县36个乡(镇)中有18个乡(镇)有该病发生。在33年中曾有4次发病比较集中,1956～1957年发病人数为151例,1964
Li County, located in the southern part of Gansu Province, stretches mountains with an altitude of 1500-2500m. It borders Tianshui City and Xihe County in the east, Wudu County in the south, Wuthang County in the west, Wushan County and Gangu County in the north, There is even a kala-ly epidemic in the county. First, the prevalence According to the records, kala-azar prevalence in the county for at least 33 years, 1956 ~ 1989 cumulative incidence of 927 cases, 30 deaths. The county 36 townships (towns) in 18 townships (towns) the disease occurs. In 33 years there have been four incidences are more concentrated, the incidence of 1956 ~ 1957, 151 cases, 1964