目的分析2011-2014年济南市疟疾疫情及流行特征,为该市疟疾防治提供科学依据。方法从中国疾病预防控制中心疾病监测信息报告管理系统收集济南市疟疾个案流行病学调查资料,采用描述流行病学方法对2011-2014年疟疾疫情资料进行整理和分析。结果 2011-2014年济南市共报告疟疾病例59例,其中58例为输入性病例,占98.31%,1例为本地病例(有疟疾病史,2011年报告),占1.69%。57例为非洲输入性病例,大部分来自安哥拉、尼日利亚、南非、几内亚、利比里亚等非洲国家。实验室确诊病例58例,临床诊断确诊病例1例;间日疟病例7例,恶性疟病例50例,间日疟和恶性疟混合感染2例。病例数较多的月份为6月(10例)和5月(7例),发病时间分布没有明显的季节特征。男性58例,女性1例;病例年龄19~55岁,平均36.3岁;报告病例职业以农民、干部职工和工人为主,以劳务输出、长期在外工作为主要职业特征。结论 2011-2014年济南市疟疾病例以输入性恶性疟为主,疟防形势不容乐观,亟需加强疫情管理和专业人员培训及督导工作,尤其要加强流动人口管理、宣传和检测。 Objective To analyze the epidemic and epidemic characteristics of malaria in Jinan City from 2011 to 2014 and provide a scientific basis for malaria control in this city. Methods The epidemiological survey data of malaria cases in Jinan City were collected from the Disease Surveillance Information Reporting Management System of China Center for Disease Control and Prevention. The descriptive epidemiological method was used to collate and analyze the malaria epidemic data from 2011 to 2014. Results A total of 59 malaria cases were reported in Jinan City from 2011 to 2014, of which 58 cases were imported, accounting for 98.31%. One case was local (history of malaria reported in 2011), accounting for 1.69%. 57 cases of imported cases in Africa, most of them from Angola, Nigeria, South Africa, Guinea, Liberia and other African countries. There were 58 confirmed cases in laboratory and 1 case diagnosed clinically, 7 cases of vivax malaria, 50 cases of falciparum malaria and 2 cases of mixed infection of vivax malaria and falciparum malaria. The months with more cases were June (10 cases) and May (7 cases), and the distribution of onset time had no obvious seasonal characteristics. There were 58 males and 1 females. The cases were 19-55 years old with an average age of 36.3 years. The main occupational characteristics of the reported cases were peasants, cadres and workers, and workers. Conclusion From 2011 to 2014, cases of malaria in Jinan City are dominated by imported falciparum malaria. The situation of malaria prevention is not optimistic. It is imperative to strengthen the training and supervision of epidemic management and professionals, especially to strengthen the management, publicity and testing of floating population.