摘要 为认清布鲁氏菌病(布病)疫情回升的原因、疫情发展趋势和人群不同生理状态与布病发病的关系，我们对1990～1996年辽宁省的布病疫情调查资料进行了分析。结果：疫情回升的主要原因是引进小尾寒羊，疫情以散点状多发疫点形式分布，多数疫点扩大，铁岭、抚顺2个市已呈明显融合成2个市范围的大片疫区的趋势；布病危害的人群主要是农区养羊户家庭人口，怀孕导致人体对布氏菌易感性增高，接触同样病畜污染环境的城乡人口发病率有显著性差异。

    

An Epidemiologic Analysis of Brucellosis in Liaoning Province,1990-1996 Sun Guangjiu^* ,Zhao Hengyun,Wang Zhanyi,et al.^* Health and Antiepidemic Station of Liaoning Province,Shenyang 110005

    Abstract In order to understand the increasing incidence rate of Brucellosis,the relationship between the epidemic trend and physical conditions of humans,data regarding Brucellosis in Liaoning province,in 1990-1996 was analysed.Results showed that the major cause which led to the Brucellosis recurrence was the importation of sheep named short-tail cold-resistant.The distribution of disease was widely spread.However,most endemic foci were being expanded.The spots in Tieling and Fushun area were merged and became one endemic area.Brucellosis maily involved in the farmer's family that raise sheep while pregnancy make women at reprodactive age susceptible to the disease.The incidence rate in city and rural areas were significantly different despite that they had the same environment that bacteria-carrier sheep were raised.

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