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1990年8月6日～10月23日,广西武鸣县陆续发生伴畏寒、发热、头痛和全身乏力等症状的病人,经调查证实,为一起钩端螺旋体病(下称钩体病)的暴发流行,现将资料报告如下。资料来源与方法1.病例来源:疫区住院病人和门诊病人的个案调查及传染病疫情报告。2.病原检验方法:菌株鉴定采用国内 13群15型钩体诊断血清。结果1.流行强度:1991年全县共发病367例,病死8例,发病率为14.4/10万,病死率为2.18%(1989年全县发病12例,年发病率为0.49/10万,无死亡病例)。2.流行特征:(1)人群分布:本次流行,发病年龄最小的3岁,最大的75岁;发病以青壮年农民和学生居多,分别占调查病例数的55.97%(89/159)和40.25%(64/159)。
August 6, 1990 ~ October 23, Wuming County, Guangxi, one after another with chills, fever, headache and malaise and other symptoms of patients, confirmed by the investigation, with a leptospirosis (hereinafter referred to leptospirosis) Outbreak of the epidemic, the information is reported as follows. Sources and Methods 1. Source of cases: case investigation of inpatients and outpatients in epidemic areas and report of epidemic situation of infectious diseases. 2. pathogen test methods: strains identified using the domestic group of 13 15-type hook body serum. The prevalence of epidemic intensity: the county in 1991, 367 cases of total disease, 8 died of disease, the incidence was 14.4 / 100 000, the mortality rate was 2.18% (in 1989 the county incidence of 12 cases, the annual incidence rate of 0.49 / 100000, No deaths). 2. Pop features: (1) population distribution: the epidemic, the youngest age of 3 years old, the largest 75 years old; incidence of young and middle-aged peasants and students, accounting for 55.97% (89/159) and 40.25% (64/159).