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目的了解江苏省连云港市肾综合征出血热(HFRS)流行特征,为该市HFRS防制提供科学依据。方法采用描述性流行病学方法对1999-2015年江苏省连云港市HFRS的时间、地点和人群分布情况进行描述。结果 1999-2015年连云港市共报告1 937例HFRS病例,占全省总数的32.6%,年均发病率2.34/10万,1999-2015年发病率总体呈下降趋势;呈秋冬型单峰分布,10月-次年1月病例数占总数的75.5%,不同县区发病高峰存在差异;年均发病率以灌云县最高,为3.92/10万,赣榆县HFRS发病率由1999年的12.93/10万下降到2015年0.34/10万、东海县由4.91/10万下降到0.74/10万,市区(海州、连云)发病2001年之前最低0.15/10万,2013-2015年最高达到4.07/10万;随年龄增大发病率上升,60岁~发病率最高,为6.33/10万,60岁以上年龄组2005-2008年发病率在3.61/10万以下,2009-2015年(除2012年)在4.69~6.86/10万之间。结论连云港市HFRS流行近年出现老疫区(赣榆、东海)发病率降低,而市区(海州、连云)上升,60岁以上年龄组发病上升的新特征,需要及时调整防控重点。
Objective To understand the epidemic characteristics of hemorrhagic fever with renal syndrome (HFRS) in Lianyungang City of Jiangsu Province and provide a scientific basis for the prevention and control of HFRS in this city. Methods Descriptive epidemiological methods were used to describe the time, place and population distribution of HFRS in Lianyungang City, Jiangsu Province from 1999 to 2015. Results A total of 1 937 cases of HFRS were reported in Lianyungang from 1999 to 2015, accounting for 32.6% of the total number in the province with an average annual incidence of 2.34 / 100 000. The incidence of HFRS decreased from 1999 to 2015 as a whole. The number of cases in January-January of the following year accounted for 75.5% of the total, with different peak incidence in different counties; the annual average incidence was the highest in Guanyun County, 3.92 / 100,000; the incidence of HFRS in Ganyu County increased from 12.93 in 1999 / 100,000 to 0.34 / 100,000 in 2015 and Donghai County from 4.91 / 100,000 to 0.74 / 100,000 in urban areas (Haizhou and Lianyun), with the lowest 0.15 / 100,000 in 2001 and the highest in 2013-2015 Reaching 4.07 / 100000; with the increasing incidence of age, the highest incidence of 60 years of age was 6.33 / 100,000, the age group over the age of 60 in 2005-2008 the incidence of 3.61 / 100 000 or less, 2009-2015 Except in 2012) at 4.69 ~ 6.86 / 100,000. Conclusions In recent years, the prevalence of HFRS epidemic in Lianyungang decreased (Ganyu and East China Sea), while the rise of downtown area (Haizhou and Liangyun) and the rising incidence in the age group over 60 years old require timely adjustment of prevention and control priorities.