中文摘要：

目的：分析2010-2013年洛阳市境外输入性疟疾流行特征，为该市疟疾防控提供依据。方法收集2010-2013年洛阳市网络报告的疟疾疫情资料、输入性疟疾病例个案调查及流行病学调查报告资料，并进行统计分析。结果2010-2013年洛阳市报告输入性疟疾病例98例，其中恶性疟57例，间日疟35例，卵型疟4例，三日疟2例，均为实验室确诊病例。98例输入性病例中，71例来自非洲国家（72.44%），27例来自东南亚国家（27.55%）。发病人群主要为青壮年男性，发病时间无明显季节性；从发病到就诊时间间隔中位数为6d；确诊单位主要为各级疾病预防控制机构（78.57%）。结论洛阳市境外输入性疟疾疫情严峻，需进一步强化医疗机构业务培训和多部门合作，采取有效措施以降低其危害。

英文摘要：

Objective To understand the epidemiological characteristics of imported malaria in Luoyang City,so as to pro-vide the evidence for malaria prevention and control in this city. Methods The Epidemic situation data from network reports, as well as the case survey and the epidemiological investigation data of imported malaria were collected and analyzed in Luoyang City from 2010 to 2013. Results A total of 98 imported malaria cases were reported in Luoyang City from 2010 to 2013,includ-ing 35 cases of vivax malaria,57 cases of falciparum malaria,4 cases of ovale malaria and 2 cases of quartan malaria. All the cases were confirmed by laboratory detection. Seventy-one cases（72.44%）returned from African countries,and 27（27.55%） cases returned from Southeast Asian countries. The majority cases were young man,and 78.57%of the cases were diagnosed by different levels of centers for disease control and prevention. There was no significant seasonal variation in onset time. The medi-an time from onset to seeing doctor was 6 days. Conclusions The epidemic situation of imported malaria is quite serious in Luoyang City. It is necessary to further strengthen the professional training and multi-sectoral cooperation ,and take effective pre-vention and control measures to reduce the hazard of imported malaria.