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象牙海岸中部Gbêkê地区的Anopheles载体分布和疟疾传播动态

Alphonsine A Koffi^1,2, Soromane Camara^3,4, Ludovic P Ahoua Alou^1,2

¹Institut Pierre Richet (IPR)/Institut National de Santé Publique (INSP), Bouaké, Côte d'Ivoire.

Malaria journal

|June 22, 2023

概括

象牙海岸Gbêkê的疟疾传播很强烈,由Anopheles蚊子驱动,特别是在雨季. 这凸显了超越室内策略的新控制工具的需要.

科学领域:

昆虫学昆虫学是一门学科.
流行病学流行病学
公共卫生公共卫生

背景情况:

了解局部载体分布和疟疾传播对于有效的控制策略至关重要.
一个集群随机对照试验 (CRT) 提供了关于Anopheles载体分布,咬伤行为和疟疾传播动态在Gbêkê地区,科特迪瓦的数据.

研究的目的:

调查Anopheles载体分布和疟疾传播动态在Gbêkê地区,科特迪瓦中部.
分析蚊子繁多和疟疾传播的季节性决定因素与降雨模式的关系.

主要方法:

从2017年5月到2019年4月,每月采集使用人类登陆捕获物 (HLC) 的成年蚊子.
蚊子物种的形态识别和每月昆虫学注射率 (EIR) 的估计,使用PCR检测杂虫.
咬伤率和EIR与当地降雨数据的相关性分析,以确定季节性影响.

主要成果:

鉴定出Anopheles gambiae,Anopheles funestus和Anopheles nili是被感染的载体,其中包括An. 冈比亚是主要的传播媒介 (84.8%的传播).
每人每年的高年平均感染咬伤量被记录 (260来自安. 冈比亚, 43.5 从一个. 费内斯托斯,从An. 3.02开始. 尼利 (Nili) 是一个名字.
蚊子的丰富性和疟疾传播在雨季达到顶峰,但感染的蚊子在干旱季持续存在.

结论:

格贝克地区的疟疾传播强度异常高,特别是在雨季.
由于传染风险,目前的室内控制干预可能不足.
迫切需要额外的载体控制工具,针对户外蚊子种群,以减少疟疾负担.

关键词:

虫的载体是阿诺菲莱斯.科特迪瓦科特迪瓦昆虫杀虫剂耐药性昆虫杀虫剂耐药性疟疾的传播疟疾的传播

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