1998年 8月 2 0～ 2 1日 ,呼盟大雁矿区发生霍乱疫情 ,为呼盟地区历史上首次报告。确诊 3例 ,经病原学诊断病原体为Ｏ1群小川型霍乱弧菌。1　方法和标准调查方法、病原学及临床诊断方法均按《霍乱防治方案》( 1 995年卫生部颁布 )及《霍乱诊断标准》操作实施。对病人、疑似病人 From August 20 to August 2, 1998, an epidemic of cholera occurred in the Dayan mining area of ​​Huitou County, marking the first report in the history of the Hujue region. Three cases were diagnosed, and the pathogens diagnosed by the etiology were O1 group Ogawa-type Vibrio cholerae. 1 Methods and standard survey methods, pathogenic and clinical diagnosis methods are based on the “cholera prevention and control program” (promulgated by the Ministry of Health in 1995) and the “cholera diagnostic criteria” operation. To patient, suspected patient