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目的分析楚雄州2006-2014年恙虫病的流行特征及影响因素,为恙虫病的预防和控制提供参考依据。方法对《中国疾病预防控制信息系统》中报告的楚雄州2006-2014年恙虫病报告数据进行统计分析。结果 2006-2014年楚雄州共报告1228例恙虫病,死亡2例,报告病例数呈逐年上升的趋势,年均报告发病率5.04/10万。疫情有一定的地域集中性,前4位高发县市(永仁县、大姚县、楚雄市、和双柏县)占全州报告病例的93.08%(1143/1228),以永仁县最高(占31.43%);季节性明显,7-10月为发病高峰期,流行季节为夏秋季节;发病年龄最小为2月,最大为82岁,人群发病率以40岁~组至60岁~组人群高发,以50岁~组(9.58/10万)最高;发病率男女性别比为1∶1.28,职业以农民为主(占78.91%),且构成比呈逐年增加的趋势。结论楚雄州恙虫病流行强度逐年增加,发病有明显的地区性和季节性,农民为高发人群,建议在夏秋季节对高发地区重点人群加强健康教育,减少感染机会,控制恙虫病的发生和流行。
Objective To analyze the epidemiological characteristics and influencing factors of tsutsugamushi disease in Chuxiong Prefecture from 2006 to 2014, and provide a reference for the prevention and control of tsutsugamushi disease. Methods A statistical analysis of reported data on tsutsugamushi disease in Chuxiong Prefecture from 2006 to 2014 reported in China Disease Prevention and Control Information System was conducted. Results A total of 1228 tsutsugamushi disease cases were reported in Chuxiong Prefecture from 2006 to 2014, with 2 deaths. The number of cases reported showed an upward trend year by year with an average annual incidence of 5.04 / 100,000. The epidemic has a certain geographical concentration, the top four high incidence of counties (Yongren County, Dayao County, Chuxiong City, and Shuangbai County) accounted for 93.08% of statewide reported cases (1143/1228), the highest in Yongren County (31.43%); seasonal obvious, peak incidence in July-October, the epidemic season is summer and autumn; the minimum age of onset is February, the maximum is 82 years old, the incidence of the crowd to 40 years old group to 60 years old ~ group The population was high, with the highest in group 50 (9.58 / 100000). The incidence rate of male to female was 1: 1.28, while the occupation was dominated by peasants (78.91%). The composition ratio increased year by year. Conclusion The epidemic intensity of tsutsugamushi disease in Chuxiong prefecture has been increasing year by year. The incidence is obviously regional and seasonal. Farmers are high risk population. It is suggested to strengthen health education for key population in high incidence areas in summer and autumn so as to reduce the chance of infection and control the occurrence and prevalence of tsutsugamushi disease.