2008-2014年南通市疟疾疫情及消除疟疾进展

Epidemic situation of malaria and progress of malaria elimination in Nantong City from 2008 to 2014

目的分析2008-2014年南通市疟疾疫情以及消除疟疾工作进展情况,为调整疟疾防治措施、指导消除疟疾工作提供依据。方法收集2008-2014年南通市疟疾疫情资料及消除疟疾工作资料,采用描述性流行病学方法进行分析。结果 2008-2014年南通市累计报告疟疾305例,平均年发病率为0.57/10万。305例疟疾病例中,本地间日疟病例26例（8.52%）,输入性病例279例（91.48%）;男性占90.49%（276/305）,年龄以青壮年为主,20～59岁占91.48%（279/305）;全年均有病例发生,无明显季节性;输入性病例主要集中在海安县、海门市和通州区,分别为80、71例和41例,占全市输入性病例总数的68.82%（192/279）。自2011年起全市无本地感染疟疾病例报告,启东市、如东县、崇川区、开发区和港闸区已通过江苏省消除疟疾考核。结论 2008-2014年南通市疟疾病例以输入性病例为主,本地疟疾病例数大幅下降,2011-2014年已连续4年无本地感染疟疾病例报告;全市所辖9个县（市、区）中已有5个通过消除疟疾考核。今后应进一步加强输入性疟疾防治,继续推进全市消除疟疾工作。

Objective To analyze the epidemic status and progress of malaria elimination in Nantong City,so as to provide evidences for adjusting the control measures and guiding the work of malaria elimination. Methods The data about the epidemic situation of malaria and malaria elimination in Nantong City from 2008 to 2014 were collected and analyzed by the method of descriptive epidemiology. Results From 2008 to 2014,a total of 305 malaria cases were reported in Nantong City,with an annual average incidence of 0.57/100 000. Among all the cases,26（8.52%）were local tertian malaria cases and 279（91.48%）were imported cases;276 cases（90.49%）were male and most of them were young adults,and those aged in 20-59 accounted for 91.48%（279/305）. There were cases reported in each month,with no obvious seasonality. The imported cases were mainly distributed in Hai＇an County（80 cases）,Haimen City（71 cases）and Tongzhou District（41 cases）,and the total percentage of them was 68.82% among all the imported malaria cases in Nantong City. There were no local malaria cases reported in Nantong City since 2011. Qidong City,Rudong County,Chongchuan District,Development Zone and Gangzha District have reached the criteria of malaria elimination in Jiangsu Province. Conclusions From 2008 to 2014,the malaria cases in Nantong City are mainly imported cases,the number of local cases has decreased significantly,and there has been no local infected cases reported in the continuous 4 years of 2011-2014. Totally 5 counties（cities,districts）among the 9 have reached the criteria of malaria elimination in Jiangsu City. In the future,the control of imported malaria should still be strengthened,and the work of malaria elimination should still be promoted.