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本文报告了发生的一起钩端螺旋体病(简称钩体病)暴发流行,经采取综合性防治措施后,疫情终止,流行期为32天。波及有22个乡镇发病,共计发病471例,发病率为65.33/10万,死亡20例,病死率为4.25%,临床类型主要是流感伤寒型和肺出血型。流行式为稻田型。对采集的33例病人血液标本及225支鼠肾组织,经培养分离出钩体38株,阳性率分别为21.21%、13.78%,主要流行菌群为黄疸出血群,赖型是重要的血清型,该型为我地区首次发现新血清型。病原体的带菌宿主以黑线姬鼠为主,携带钩体与人间主要流行群型一致。系我市钩体病主要传染源。另对本次钩体病暴发流行特点及形式、爆发流行的因素进行了讨论。上述结果为本地区制订钩体病防治措施和控制传染源提供了参考依据。
This article reports the occurrence of an outbreak of leptospirosis (leptospirosis) outbreak, after taking comprehensive control measures, the epidemic was terminated, the prevalence of 32 days. Affected the incidence of 22 towns and villages, a total of 471 cases of incidence, the incidence rate of 65.33 / 100 000, 20 cases of death, the case fatality rate was 4.25%, the clinical type is mainly influenza typhoid and pulmonary hemorrhage. Pop-type rice field. Thirty-three blood samples and 225 rat kidney tissues were collected and 38 strains of leptospira were isolated by culture, the positive rates were 21.21% and 13.78% respectively. The main epidemic groups were jaundice hemorrhagic group, Important serotypes, this type was the first to find new serotypes in my area. The host of the pathogen is Apodemus agrarius, carrying the hook body consistent with the major epidemic group in the world. Department of leukemia in our city the main source of infection. The other on the leptospirosis epidemic characteristics and forms, the outbreak of the popular factors were discussed. The above results provide a reference for the prevention and control of leptospirosis and control of infection in this area.