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目的分析内蒙古2006-2010年甲乙类自然疫源及虫媒传染病的特点,掌握我区甲乙类自然疫源及虫媒传染病的流行特征,为有效控制提供依据。方法统计和分析2006-2010年中国疾病预防控制中心《中国疾病预防控制信息系统》中内蒙古地区甲乙类自然疫源及虫媒传染病数据。结果 (1)2006-2010年,内蒙古甲乙类自然疫源和虫媒传染病发病60 774例,死亡30例,总发病率为50.53/10万,年均发病率10.11/10万,无甲类发病,发病率呈现逐年升高趋势(P<0.05)。发病前三位的病种分别是布病、出血热和炭疽。(2)地区分布:2006-2010年发病最高的地区前五位是锡林郭勒盟、乌兰察布市、呼伦贝尔市、兴安盟和赤峰市。(3)人群分布:高危职业主要是农民和牧民(P<0.05),占5年发总病的87.37%;发病73.72%主要集中在25~55岁;男女性别比2.28︰1。(4)时间分布:全年均可发病,发病高峰为3-6月份,约占发病总数的66.18%,5月份发病数最高、12月份最低(P<0.05)。结论内蒙古甲乙类自然疫源和虫媒传染病发病呈现逐年增加趋势,有鲜明的地区聚集性、季节特点和人群特征,今后应该做好高发地区、高发人群和高发时间的预防控制工作。
Objective To analyze the characteristics of natural epidemic of Class A and B infectious diseases in Inner Mongolia from 2006 to 2010 and to grasp the epidemiological characteristics of Class A and B natural epidemic and zoonotic diseases in Inner Mongolia so as to provide the basis for effective control. Methods Statistics and analysis of Class A and B natural epidemic and insect-borne diseases in Inner Mongolia Autonomous Region from 2006 to 2010 in China CDC. Results (1) From 2006 to 2010, there were 60 774 cases of natural foci of A and B infectious diseases and 30 cases of deadly infectious diseases in Inner Mongolia, with a total incidence of 50.53 / 100 000 with an average annual incidence of 10.11 / Incidence, the incidence showed a trend of increasing year by year (P <0.05). The first three diseases were brucellosis, hemorrhagic fever and anthrax. (2) Regional distribution: The top five regions with the highest incidence in 2006-2010 are Xilin Gol League, Wulanchabu City, Hulun Buir City, Xing’an League and Chifeng City. (3) Distribution of population: High-risk occupations are mainly farmers and herdsmen (P <0.05), accounting for 87.37% of the total cases in 5 years; 73.72% of cases are mainly in 25-55 years old; sex ratio is 2.28︰1. (4) Time distribution: The disease can be affected throughout the year. The peak incidence is from March to June, accounting for 66.18% of the total. The highest incidence was in May and the lowest was in December (P <0.05). Conclusion The epidemic situation of Class A and B infectious diseases in Inner Mongolia shows an increasing trend year by year with distinct regional clustering, seasonal characteristics and population characteristics. In the future, prevention and control of high-incidence areas, high incidence population and high incidence time should be done.