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目的分析广西柳州市在消灭疟疾后,输入性病例的发病特点和流行特征,为巩固疟疾防治成果和制定监测对策提供科学依据。方法收集1982-2007年所有输入性病例199例的临床及流行病学调查资料进行分析。结果外出回归人员比外来流动人员发病率高;外来人员及本地外出返回的流动人口为主要发病人群;间日疟为主要虫种;每年的5-11月为发病高峰;病例以男性青壮年为主;疟疾高流行地区返回和外来的流动人口及非洲援外回国人员是主要患病人群。结论制定消灭疟疾后的监测策略和计划时,要充分考虑输入性病例的流行特点,加强流动人口,特别是来自高疟疾流行区人群的管理与监测。
Objective To analyze the incidence characteristics and epidemiological characteristics of imported cases after malaria elimination in Liuzhou City, Guangxi Province, and provide a scientific basis for consolidating the results of malaria control and developing monitoring measures. Methods Clinical and epidemiological survey data of 199 imported cases from 1982 to 2007 were collected for analysis. As a result, the incidence of returning migrant workers was higher than that of migrant workers. The migrant workers and local migrant workers returning from home were the main disease-causing groups. The main infestation was vivax malaria. The incidence peak was from May to November each year. Lord; the return of malaria-endemic areas and migrants from outside the country as well as the return of foreigners from Africa are the main affected groups. Conclusions When developing monitoring strategies and plans for post-malaria elimination, full consideration should be given to the epidemiological characteristics of imported cases and the management and monitoring of migrants, especially those living in areas with high prevalence of malaria.