目的 分析辽宁省丹东市2010-2015年发热伴血小板减少综合征（SFTS）的流行特征，为制定预防控制措施提供依据。方法 采用描述流行病学方法对丹东市2010-2015年实验室确诊的SFTS病例进行流行特征分析。结果 2010-2015年丹东市共报告SFTS实验室确诊病例101例，死亡5例，病死率为4.95%；患者发病时间主要在5-10月，6-9月为高峰期，分布在5个县（市、区）、37个乡镇，流行区域呈山区丘陵地带向平原地区延伸趋势；2010-2014年，每年病例以男性、中老年和农民为主，2015年农村中青年女性高发；32例患者发病前有明确的蜱叮咬史，2例患者为兄妹关系，有血液接触史；患者以发热、全身酸痛、头痛、乏力、恶心、腹痛、腹泻、关节痛等症状为主。结论 SFTS发病具有明显地域特征和季节性，在丹东市广泛分布，且2015年主要发病人群发生改变，需采取综合防制措施进行预防控制。

Objective To analyze epidemiological characteristics of severe fever with thrombocytopenia syndrome(SFTS) cases from Dandong city in 2010-2015, and to provide basis for the prevention and control measures. Methods The laboratory-confirmed cases reported by information management system in Dandong city from 2010-2015 were analyzed through descriptive epidemiology. Results From 2010 to 2015, 101 cases of SFTS in laboratory confirmed cases were reported in Dandong city. Of these cases, 5 cases died and the mortality rate was 4.95%. The onset time of the disease was mainly from May to October,and the peak time was from June to September. The cases were distributed in 5 counties(or cities), 37 villages and towns. The prevalent area is from the mountainous and hilly regions to the plain areas. From 2010 to 2014, males, middle-aged or older persons and farmers were the main infected persons each year, and in 2015, middle-aged and young women in the countryside were frequently infected. Thirty-two cases of the disease were once ever bitten by some kind of ticks before the onset, and 2 cases were brother and sister and once had blood contact. The main symptoms were fever, body aches,headache, fatigue, nausea, abdominal pain, diarrhea and joint pain. Conclusion The onset of SFTS has obvious regional and seasonal characteristics and it was widely distributed in Dandong city. Besides, in 2015, the incidence population changed. As a result, comprehensive prevention and control measures should be taken to prevent and control the disease.