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塞内加尔一个城市地区的季节性恶性疟流行病学

Epidemiology of seasonal falciparum malaria in an urban area of Senegal.

作者信息

Vercruysse J, Jancloes M, Van de Velden L

出版信息

Bull World Health Organ. 1983;61(5):821-31.

Abstract

A 15-month longitudinal survey was carried out to examine entomological and parasitological aspects of human malaria transmission in Pikine, a city located in the Sudan savanna zone on the Cap Vert peninsula in the west of Senegal. The anopheline population was sampled twice weekly indoors by night human bait capture. During the same period, thick and thin blood films were collected from 296 children at 2-month intervals. Anopheles arabiensis was the only species responsible for transmission of Plasmodium falciparum. The parasite rate showed a positive correlation with both the entomological inoculation rate and the vectorial capacity. In Pikine, malaria is epidemic and probably unstable, and the population enjoys a variable degree of immunity.

摘要

开展了一项为期15个月的纵向调查,以研究在位于塞内加尔西部佛得角半岛苏丹稀树草原地带的皮金市人类疟疾传播的昆虫学和寄生虫学方面。通过夜间人饵诱捕每周两次在室内对按蚊种群进行采样。在同一时期,每隔两个月从296名儿童身上采集厚血膜和薄血膜。阿拉伯按蚊是传播恶性疟原虫的唯一蚊种。寄生虫感染率与昆虫学接种率和媒介能量均呈正相关。在皮金市,疟疾呈流行态势且可能不稳定,当地居民具有不同程度的免疫力。

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