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目的分析江苏省2011年的疟疾疫情及流行特征,为制订和调整适合本省有效的消除疟疾策略和措施提供科学依据。方法收集全省网络报告疟疾疫情和专报系统的流行病学调查资料,并进行统计分析。结果 2011年江苏省共报告疟疾374例,发病率为0.05/万,与2010年病例数基本持平。本地感染间日疟病例13例,较2010年的100例下降了87.00%;输入性疟疾病例361例,其中境外输入性恶性疟病例309例,较2010年的207例上升了49.27%,主要分布在江苏中部和苏北沿海的扬州、南通、淮安、泰州市,该4市输入性恶性疟病例数占全省总数的66.02%(204/309)。2011年江苏省首次报告输入性三日疟7例,输入性卵形疟14例。结论江苏省本地感染间日疟病例明显下降,流行范围明显缩小;但境外输入性疟疾仍呈明显上升趋势,且感染疟原虫虫种呈多样性。因此,为如期实现全省消除疟疾目标,仍需继续加强对基层医疗机构和疾病预防控制机构相关人员的培训,加强对劳务输出人员的健康教育和回国人员的监测管理。
Objective To analyze the epidemic situation and epidemic characteristics of malaria in Jiangsu Province in 2011 and provide a scientific basis for formulating and adjusting effective malaria elimination strategies and measures in this province. Methods Epidemiological survey data of malaria epidemic and special reporting system collected by the whole province network were collected and statistically analyzed. Results In 2011, a total of 374 malaria cases were reported in Jiangsu Province, with a prevalence of 0.05 / million, basically the same as the number of cases in 2010. Thirteen cases of Plasmodium falciparum infection were locally infected, down 87.00% from 100 in 2010. 361 cases of imported malaria were imported, out of 309 cases of imported malaria cases, an increase of 49.27% over the 207 cases in 2010. The main distribution The number of imported cases of falciparum malaria in the four cities accounted for 66.02% (204/309) of the total number of the province in Yangzhou, Nantong, Huai’an and Taizhou in the central part of Jiangsu Province and the coastal areas in Jiangsu Province. In 2011, Jiangsu Province reported for the first time 7 cases of imported malaria on the 3rd day and imported 14 cases of oval malaria. Conclusion The incidence of Plasmodium falciparum in Jiangsu Province decreased significantly and the range of prevalence was significantly reduced. However, the imported malaria incidence in China was still on the rise, and the diversity of Plasmodium infection was also found. Therefore, in order to achieve the goal of eliminating malaria in the province as scheduled, it is still necessary to continue to strengthen the training of grassroots-level medical institutions and relevant personnel in disease prevention and control institutions, and strengthen the health education of service exporters and the monitoring and management of returnees.