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武定县猫街镇干沙沟于1990年10月至1991年1月间发生一起伤寒暴发。为此,我们进行了调查,现报告如下。干沙沟系苗族村寨,有64户223人。1990年10月8日出现首例病人至1991年1月11日止,经病原学、血清学和临床诊断,87例病人被诊断为伤寒,罹患率为39%。全部病例分布于51户,占总户数的79.7%,户发病最高达5人;户发病2例以上的占31.4%。患者最小年
An outbreak of typhoid fever occurred between October 1990 and January 1991 in Qianshagou, Cat Street Town, Wuding County. For this reason, we conducted a survey and report as follows. Dry sand ditch Miao village, there are 64 households 223 people. The first patient appeared on 8 October 1990 and ended on 11 January 1991. Of the 87 patients diagnosed as typhoid fever on etiological, serological and clinical diagnosis, the attack rate was 39%. All cases were distributed in 51 households, accounting for 79.7% of the total number of households, up to 5 people per household; 31.4% of households were more than 2 cases. The patient’s minimum year