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目的分析广州市输入性疟疾病例流行病学特征,为制定疟疾防控措施和策略提供科学依据。方法运用描述性流行病学方法对广州市2011-2015年报告疟疾病例资料进行分析。结果广州市2011-2015年共报告360例疟疾病例,均为境外感染的输入性病例,病例中299例为非洲国家感染,58例为亚洲国家感染。其中119例为外国籍,其余均为近期归国人员;病例中男性312例,女性48例,年龄介于1~60岁,87.2%的病例集中于20~40岁;发病无明显的季节性,在10月份有一小高峰;病例中恶性疟占75%,间日疟占19.72%。结论广州市疟疾防治效果稳定,近年来发病均在较低水平。病例均为输入性的,以外籍人员和外出务工人员为主,且恶性疟比例逐年增大。
Objective To analyze the epidemiological characteristics of imported malaria cases in Guangzhou and provide scientific evidence for the development of malaria prevention and control measures and strategies. Methods Descriptive epidemiological methods were used to analyze malaria cases in Guangzhou from 2011-2015. Results A total of 360 cases of malaria were reported in Guangzhou from 2011 to 2015, both of which were imported cases of external infection. Of the cases, 299 cases were found in African countries and 58 cases were in Asian countries. Among them, 119 were of foreign nationality, and the rest were those returning recently. Among them, 312 were male and 48 were female, ranging in age from 1 to 60 years old. 87.2% of cases were concentrated in 20 to 40 years old. There was no obvious seasonal , With a small peak in October; falciparum malaria accounted for 75% of the cases and Malaria circovirus was 19.72%. Conclusion The malaria control effect in Guangzhou is stable, and the incidence of malaria is relatively low in recent years. The cases are all imported, mainly by expatriates and migrant workers, and the proportion of falciparum malaria increases year by year.