1982—2012年辽宁省锦州市肾综合征出血热流行特征分析

Epidemiology of hemorrhagic fever with renal syndrome in Jinzhou,Liaoning,1982-2012

目的 探索辽宁省锦州市肾综合征出血热（HFRS）流行规律，为制定有效防制策略提供依据。方法 采用描述流行病学方法分析HFRS疫情。结果 1982 2012年锦州市累计报告HFRS病例5142例，年平均发病率为5.57/10万，死亡55例，病死率为1.07%。病例地区分布由县（市）向城区蔓延，7个县（市、区）均有病例发生。3-5月为流行高峰期。发病年龄以30~49岁人群为主，职业以农民为主，占55.72%。结论 锦州市1982 2012年HFRS疫情经历了“低发-上升-下降-平稳低发”四个阶段，目前仍处于低发阶段，但疫情有回升趋势，应引起重视。

Objective To understand the epidemiological characteristics of hemorrhagic fever with renal syndrome （HFRS） in Jinzhou and provide evidence for the prevention and control of HFRS. Methods Descriptive epidemiological analysis was conducted on the incidence data of HFRS in Jinzhou from 1982 to 2012. Results A total of 5142 HFRS cases were reported during this period, including 55 deaths. The average annual incidence was 5.57/lakh and case fatality rate was 1.07%. The disease had a spread trend from adjacent counties to urban area, the cases were reported in all 7 counties （district）. The incidence peaked during March-May. The cases mainly occurred in age group 30- 49 years and most cases were farmers. Conclusion The incidence of HFRS showed a ＂low-up-down-low and stable＂ trend in Jinzhou from 1982 to 2012. The epidemic has been under effective control.