Abstract: Objective Objective To understand the epidemic characteristics of imported malaria in Henan Province from 2012 to 2014，so as to provide the evidence for proposing the reasonable suggestions for imported malaria prevention and control. Meth Meth? ? ods ods The data of imported malaria were collected and the epidemic characteristics were analyzed in Henan Province from 2012 to 2014. Results Results A total of 569 imported malaria cases were reported in Henan Province from 2012 to 2014，including 445 cas? es of falciparum malaria，48 cases of vivax malaria，61 cases of ovale malaria，14 cases of quartan malaria，and 1 case of mixed infection. All the malaria cases were confirmed in laboratory. During the three years，the time of higher incidence was in Spring Festival，and May and June，and the cases mainly distributed in Luoyang，Zhengzhou，Puyang，Xinxiang，Anyang，Xuchang and Nanyang cities，accounting for 68.54%. Totally 82.43% of the patients were male youth and middle?aged. Of the 569 pa? tients， 534（93.85%）returned from Africa and 35（6.15%）returned from Southeast Asian countries. The average time was 6.22 d and the median was 4 d from the onset to diagnosis. Among 569 cases，290（50.97%）were confirmed by different levels of cen? ters for disease prevention and control，and 279（49.03%）were diagnosed by different levels of medical institutions. Conclu Conclu? ? sions sions The imported malaria cases have been increased obviously in recent 3 years in Henan Province. Therefore，the health ed? ucation for the knowledge about malaria prevention and control，and the technician training should be strengthened.

Key words: Malaria；Imported cases；Overseas；Epidemic situation；Prevalent characteristics；Henan Province

摘要： 目的 目的 了解2012-2014年河南省境外输入性疟疾流行特征， 为该省境外输入性疟疾防控工作提出合理建议。 方法 方法 收集2012-2014年河南省境外输入性疟疾病例相关资料， 对疟疾疫情的流行病学特征进行分析。结果 结果 2012- 2014年河南省共有境外输入性疟疾病例569例， 其中恶性疟445例、 间日疟48例、 卵形疟61例、 三日疟14例、 混合感染1 例， 均为实验室确诊病例。病例主要分布在洛阳市、 郑州市、 濮阳市、 新乡市、 安阳市、 许昌市和南阳市， 占病例总数的 68.54%； 25 ~ 50岁青壮年男性病例占病例总数的82.43%； 职业以农民、 工人和民工为主， 分别占病例总数的43.59%、 21.79%和13.36%； 3年来发病数较多的时间均为春节和5、 6月份。所有病例中， 534例来自非洲国家 （占93.85%）， 35例 来自东南亚国家 （占6.15%）。从发病到确诊平均天数为6.22 d， 中位数为4 d。569例病例中， 确诊单位为各级疾病预防 控制机构和医疗机构的分别有290例和279例， 占50.97%和49.03%。结论 结论 近年来河南省境外输入性疟疾病例明显增 多， 应加大对基层医务人员的相关宣传和培训力度， 及时发现并规范治疗疟疾病例， 避免继发病例和死亡病例的发生。

关键词: 疟疾； 输入性病例； 境外； 疫情； 流行特征； 河南省