2011~2013年河南省疟疾流行病学特征分析

目的分析2011-2013年河南省的疟疾疫情,为今后制定防治措施提供科学依据。方法收集河南省2011-2013年疟疾疫情数据并进行统计分析。结果 2011-2013年河南省共报告疟疾病例667例,平均发病率0.27/10万。其中本地病例168例（25.19%）,输入性病例499例（74.81%）。疟疾高发区在2011-2013年由南部的南阳、信阳及东部的商丘向中、北部转移,郑州、洛阳、安阳和濮阳成为新的疟疾高发区。青壮年发病为主,20-49岁共发病495例（占74.21%）,男女发病比为7.34∶1。农民、工人和民工为主要发病人群,分别占53.82%、16.19%和10.34%。全年均有发病。结论河南省近3年输入性疟疾大幅增加,应加强疟疾监测,对高疟区回归人员加强疟疾筛检和健康教育,尽快遏制输入性疟疾疫情上升势头,确保消除疟疾工作顺利实施。

Objective To study the epidemic characteristics of malaria in Henan Province, and to provide scientific basis for the future control and prevention of malaria. Methods Data concerning malaria prevalence and infection were collected and analyzed. Results 667 malaria cases were reported and average malaria incidence was 0.27/lakh during 2011-2013. Of these, 168 patients （accounting for 25.19%） were indigenous cases and the other 499 （74.81%） cases were imported. Zhengzhou, Luoyang, Anyang and Puyang became the new main endemic areas istead of Nanyang, Xinyang and Shangqiu. The number of cases was 495 （74.21%） in people aged 20-49 years and the ratio of male to female was 7.34：1. Farmer, work and migrant worker were accounted for 53.82% （359/667）, 16.19% （108/667）and 10.34% （69/667） of the cases. The cases were reported in every month. Conclusion There is substantial increase of imported malaria in recent 3 years. The monitoring and health education of the entry-exit persons should be strengthened to roll back the rising trend of malaria infectio and eliminate malaria.