Chin J Schisto Control ›› 2017, Vol. 29 ›› Issue (5): 626-628.

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Malaria focus investigation and disposal in Tengchong City between 2015 and 2016

WANG Jia-zhi1| YIN Shou-qin1| LI Xi-shang1| TANG Zong-yan1| YAN He2*   

  1. 1 Tengchong City Center for Disease Control and Prevention| Yunnan Province| Tengchong 679100| China; 2 National Institute of Parasitic Diseases| Chinese Center for Disease Control and Prevention; WHO Collaborating Center for Tropical Diseases; National Center for International Research on Tropical Diseases| Ministry of Science and Technology| Key Laboratory of Parasite and Vector Biology| Ministry of Health| China
  • Online:2017-10-30 Published:2017-10-30
  • Contact: YAN He

2015-2016年腾冲市疟疾疫点调查处置结果分析

王加志1|尹授钦1|李希尚1|汤宗艳1|燕贺2*   

  1. 1 云南省腾冲市疾病预防控制中心(腾冲 670100); 2 中国疾病预防控制中心寄生虫病预防控制所|卫生部寄生虫病原与媒介生物学重点实验室|世界卫生组织热带病合作中心|科技部国家级热带病国际联合研究中心
  • 通讯作者: 燕贺
  • 作者简介:王加志|男|本科|主管检验师。研究方向:疟疾防治

Abstract: Objective To analyze the results of malaria focus investigation and disposal in Tengchong City, Yunnan Province between 2015 and 2016, so as to provide evidences for interrupting potential malaria transmission. Methods The malaria foci were investigated and disposed according to the malaria cases reported from “China Information System for Disease Control and Prevention” in Tengchong City between 2015 and 2016. The mosquitoes were captured by mosquito?lured lamp overnight to investigate the malaria vector in local. The peripheral blood samples were collected from the local residents with a febrile history in the foci within two weeks and the accompanists of the cases, and then the rapid malaria diagnosis tests were used to screen the malaria carriers. Results Totally 145 imported malaria cases were reported in Tengchong City between 2015 and 2016, and the focus investigation and disposal rate within 7 d was 100% (145/145). A total of 16 186 mosquitoes of 12 species of Anopheles were captured, among which An. sinensis was the predominant, accounting for 64.31% (10 410/16 186),followed by An. kunmingensis and An. minimus, with the constituent ratios of 14.15% (2 291/16 186) and 11.66% (1 887/16 186), respectively. One person (1.96%, 1/51) in the 51 accompanists of the cases was positive in the malaria rapid diagnosis test. Conclusions The malaria transmission vectors such as An. sinensis, An. kunmingensis, An. minimus etc. are still distributed in Tengchong City, and An. sinensis is the predominant species. Therefore, the relevant authorities should continue to strengthen the focus investigation and disposal to interrupt the potential introduced malaria transmission by imported cases in the future.

Key words: Malaria; Focus; Disposal; Tengchong City

摘要: 目的 分析2015-2016年腾冲市疟疾疫点调查和处置情况,为阻断可能的疟疾传播提供依据。方法 以2015-2016年腾冲市网报疟疾病例为线索,对疟疾疫点进行调查处置。采用诱蚊灯通宵诱蚊法,进行媒介按蚊种群调查。采集疫点范围近2周内有发热史的当地居民和疟疾病例同行人员的外周血,用疟疾快速诊断卡进行检测。结果 2015-2016年腾冲市共报告145例输入性疟疾病例,7 d内疟疾疫点调查处置率为100%(145/145)。捕获按蚊12种共16 186只;中华按蚊为优势蚊种,占64.31%(10 410/16 186);其次是昆明按蚊,占14.15%(2 291/16 186);微小按蚊占11.66% (1 887/16 186)。对51名疟疾病例同行人员进行疟疾筛查,检出阳性1人,阳性检出率为1.96%(1/51)。结论 腾冲市存在疟疾传播媒介中华按蚊、昆明按蚊、微小按蚊等,且中华按蚊为优势种群;应进一步加强疟疾疫点调查处置,防止输入性疟疾引起的继发传播。

关键词: 疟疾;疫点;处置;腾冲市

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