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目的了解北京市2004-2015年布鲁氏菌病时间分布特征,为布鲁氏菌病防制提供依据。方法采用集中度与圆形分布分析方法对北京市2004-2015年布病发病情况进行时间聚集性分析。结果集中度分析结果M值为0.30,具有一定的季节分布特征;圆形分布分析显示:发病高峰在5月17日,流行期为2月16日-8月15日。结论布病发病具有一定的季节分布特征,呈现春夏季高发,秋冬季低发的特征。
Objective To understand the time distribution characteristics of brucellosis in Beijing from 2004 to 2015 and provide basis for prevention and control of brucellosis. Methods The concentration and circular distribution analysis method was used to analyze the incidence of brucellosis in Beijing from 2004 to 2015. The results of the concentration analysis of M value of 0.30, with a certain seasonal distribution characteristics; circular distribution analysis showed that the peak incidence on May 17, the prevalence of February 16-August 15. Conclusion The incidence of brucellosis has some characteristics of seasonal distribution, showing the characteristics of high incidence in spring and summer and low incidence in autumn and winter.