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目的总结内蒙古自治区2010 2014年人间布鲁氏菌病(布病)监测开展情况,对布病疫情分布特点进行分析,为制定布病防控策略和措施提供依据。方法以旗县为单位开展监测,采取分层抽样的方法,每个旗县抽取布病疫情轻、中、重3个乡镇,每年每个旗县不少于600人。抽样重点是从事畜牧业工作的高危人群。采用现场流行病学调查方法,对被调查者有疑似布病症状者采血检测。用琥红平板试验法、试管凝集试验法或分离布病病原体进行确诊。结果2010 2014年,累计在2181乡镇的17 145个嘎查村调查1 204 425人次,血检928 155份,阳性86 083份,阳性率9.27%,新发患者70 114例,其中主动监测发现病例为17 057例,高危人群发病率5.82%;全区12个盟市101个旗县均有布病流行;病例多为青壮年、男性和农牧民;在3个盟市患者标本共分离出羊3型布鲁氏菌98株,羊1型布鲁氏菌25株。结论内蒙古布病流行强度大,波及范围广,有较高的疫情漏报率,对当地的人群身体健康构成了严重的威胁。
Objective To summarize the status of human brucellosis surveillance in Inner Mongolia Autonomous Region from 2010 to 2014, and to analyze the distribution characteristics of brucellosis in Inner Mongolia Autonomous Region for the purpose of providing evidences for the prevention and control of brucellosis. Methods The monitoring was carried out in counties and counties. The method of stratified sampling was adopted. Each county took 3 townships and townships with light, medium and heavy epidemics, and no less than 600 in each county every year. The sampling focus is on high-risk groups working in livestock husbandry. Epidemiological survey using on-site methods, the respondents suspected brucellosis were blood tests. Confirmed with amber red plate test, tube agglutination test or isolation of brucellosis pathogens. Results In 2014, a total of 1,144,425 people were surveyed in 17 145 Gacha villages in 2181 townships, with 928,155 blood tests, 86 083 positives, the positive rate of which was 9.27%, and 70 114 new patients were found. Among them, active surveillance was found 17 057 cases, the incidence of high-risk groups 5.82%; the 12 prefectures in the 101 counties have cloth epidemics; cases are mostly young adults, men and herdsmen; specimens were isolated in three Union cities 98 strains of Brucella in sheep, 25 strains of Brucella in sheep. Conclusion Inner Mongolia epidemic of brucellosis intensity, spread a wide range, high false negative rate of coverage, the local population poses a serious threat to the health of people.