云南腾冲市2000~2015年本地感染疟疾疫情流行病学分析

目的  分析腾冲市2000~2015年本地感染疟疾疫情特征，为消除疟疾防控工作提供科学依据。 方法  收集腾冲市2000~2015年本地感染疟疾疫情资料，采用Microsoft Excel 2010软件对数据进行整理分析。 结果  2000~2015年，腾冲市共报告本地感染疟疾病例239例，间日疟170例，占71.13％（170/239），恶性疟67例，占28.03％（67/239），三日疟1例，间日疟、恶性疟混合感染1例。发病年龄最小为1个月，最大为78岁，男女性别比例为1.85:1。职业以农民和民工为主。6~7月为发病高峰季节，6月发病数最多，占41.88％（124/239）。 结论  腾冲市为间日疟、恶性疟混合流行区，同时存在三日疟，病例以间日疟为主；本地感染疟疾呈低水平、散发趋势，自2013年起已无本地感染病例报告。

Epidemiological analysis of local malaria transmission in Tengchong City from 2000 to 2015

Objective  To analyze the trends of local malaria transmission in Tengchong City from 2000 to2015 for evidences to plan scientific strategies in elimination of this disease. Methods  The data of malaria prevalence was collected in Tengchong City from 2000 to 2015, and analyzed with Microsoft Excel 2010. Results  In 2000 and 2015, a total of 239 cases of malaria infection were reported in Tengchong City, in which 170(71.13%) were associated with Plasmodium vivax infection, 67(28.03%) with P. falciparum, 1 with P. malariae and another 1 with mixed infection(Plasmodium vivax and P. falciparum). The patient’s age ranged from 1 month to 78 years old, and the male to female ratio was 1.85 to 1. Farmers and migrant workers were mostly affected. The peak prevalence was in between June and July, with most affected cases in June(41.88%, 124/239). Conclusion  Local malaria transmission in Tengchong City involves mixed P. vivax and P. falciparum besides simple P. malariae infection, and P. vivax is the most infection. Malaria transmission is generally low and distributed in different regions. There is no local infection reported since 2013.