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目的分析2012-2014年四川省疟疾流行特点,为本省消除疟疾工作提供参考依据。方法资料来自中国疾病预防控制中心疾病监测信息报告管理系统,采用描述性流行病学方法,分析四川省疟疾病例的流行病学特点。结果2012-2014年四川省共输入疟疾病例690例,其中恶性疟376例(54.49%)、间日疟290例(42.03%)、三日疟4例(0.58%)、卵形疟13例(1.88%)、混合感染7例(1.01%)、死亡5例。境外感染671例,占全部输入病例的97.25%,其中非洲输入517例,东南亚输入138例。全年均有病例报告,其中5月和6月共报告病例185例,占26.81%。病例分布于20个市(州),广安和成都病例较多,分别报告137例和105例,2市病例数占全省病例总数的35.07%。结论四川省境外输入性疟疾病例逐年增多,应全面加强境外输入性疟疾的防控工作。
Objective To analyze the characteristics of malaria epidemic in Sichuan Province from 2012 to 2014 and provide reference for eliminating malaria in this province. Methods Data 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 analyze the epidemiological characteristics of malaria cases in Sichuan Province. Results A total of 690 malaria cases were imported from Sichuan Province in 2012-2014, including 376 cases of falciparum malaria (54.49%), 290 cases of Plasmodium vivax (42.03%), 4 cases of malaria (0.58%), 13 cases of oval malaria 1.88%), mixed infection in 7 cases (1.01%) and death in 5 cases. 671 cases of foreign infections, accounting for 97.25% of all imported cases, of which 517 cases were imported from Africa and 138 cases were imported from Southeast Asia. There were case reports throughout the year, of which 185 cases were reported in May and June, accounting for 26.81%. The cases were distributed in 20 cities (Guangzhou) and there were more cases in Guang’an and Chengdu, 137 cases and 105 cases were reported respectively. The number of cases in 2 cities accounted for 35.07% of the total cases in the province. Conclusion The number of imported malaria cases outside Sichuan Province has been increasing year by year. The prevention and control of imported malaria abroad should be strengthened.