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目的了解夏邑县疟疾流行病学特征,探讨进一步控制疟疾策略。方法收集夏邑县2003～2009年疟疾疫情报告、个案病例调查资料,应用流行病学方法进行统计和分析。结果夏邑县2003～2009年共报告疟疾病例1 207例(其中1例为输入性恶性疟),年发病率为0.8/10万~38.16/10万,2003～2006年发病率均较上年升高4倍以上,2007年较2006年上升48.81%,2008年、2009年分别较上一年下降了33.67%和60.07%。发病主要集中在胡桥、岐河二个乡镇,占全县发病总数的25:43%。发病高峰在8～10月份,占全年病例数的56.59%。男女性别比为1.19:1,农民和学生分别占81.47%和17.23%。5～9月媒介调查共捕获中华按蚊289只,未发现嗜人按蚊。结论经采取各项防治措施后,夏邑县疟疾疫情快速上升的趋势得到有效遏制。
Objective To understand the epidemiological characteristics of malaria in Xiayi County and to explore strategies for further malaria control. Methods The malaria epidemic situation report and case investigation data of Xiayi county from 2003 to 2009 were collected and analyzed by epidemiological method. Results A total of 1 207 cases of malaria (1 imported falciparum malaria) were reported in Xiayi County from 2003 to 2009 with an annual incidence rate of 0.8 / 100,000 to 38.16 / 100 000. The incidence rates in 2003-2006 were all higher than those in the previous year A rise of more than 4 times, an increase of 48.81% from 2007 to 2007, and a decrease of 33.67% and 60.07% from 2008 to 2009 respectively. The incidence mainly concentrated in Huqiao, Qihe two towns, accounting for 25% of the total incidence of the county 43%. Peak incidence in 8 to October, accounting for 56.59% of the number of cases throughout the year. The male-to-female ratio was 1.19: 1, with farmers and students accounting for 81.47% and 17.23% respectively. From May to September, a total of 289 Anopheles sinensis were detected in the media survey. Anopheles anthropophagus was not found. Conclusion After taking various control measures, the epidemic situation of malaria in Xiayi County has been effectively checked.