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目的了解永康市疟疾流行特征,为制订和实施疟疾防治策略提供依据。方法对永康市2005—2012年疟疾监测资料进行描述性流行病学分析。结果 2005—2012年共报告疟疾67例,疟疾发病率从2.37/10万下降到0.35/10万;67例疟疾病例呈散在分布,其中间日疟52例,恶性疟15例;67例病例中输入性占86.57%(58/67)。2005—2008年疟疾发病时间集中在7月9日—9月16日;2009—2012年疟疾病例分布不具有季节性。病例主要集中在青壮年,本地人口外出感染者以务工及经商为主,占86.67%。结论永康市疟疾疫情呈下降趋势,疟疾发病特点从外来输入感染为主转变为本地人口外出感染为主,从流行季节为主转变为无明显季节性。
Objective To understand the characteristics of malaria epidemic in Yongkang City and provide the basis for formulating and implementing malaria control strategies. Methods Descriptive epidemiological analysis of malaria surveillance data from 2005 to 2012 in Yongkang City was conducted. Results A total of 67 cases of malaria were reported from 2005 to 2012, the incidence of malaria dropped from 2.37 / 100 000 to 0.35 / 100 000. 67 malaria cases were scattered, including 52 malaria cases and 15 cases of falciparum malaria cases; among 67 cases Input accounted for 86.57% (58/67). The incidence of malaria in 2005-2008 concentrated on July 9 to September 16; the distribution of malaria cases in 2009-2012 was not seasonal. The cases were mainly concentrated in young adults. Out-migrant workers were mainly employed and traded, accounting for 86.67% of the total. Conclusion The epidemic situation of malaria in Yongkang City showed a downward trend. The incidence of malaria changed from imported infection mainly to local population outbreak infection, and changed from predominant season to no obvious seasonality.