LymphedemaV1, Main, Exploration, bibRecord, 009A16

Lymphatic filariasis in Ghana: entomological investigation of transmission dynamics and intensity in communities served by irrigation systems in the Upper East Region of Ghana.

Identifieur interne : 009A16 ( Main/Exploration ); précédent : 009A15; suivant : 009A17

Lymphatic filariasis in Ghana: entomological investigation of transmission dynamics and intensity in communities served by irrigation systems in the Upper East Region of Ghana.

Auteurs : M A Appawu [Ghana] ; S K Dadzie ; A. Baffoe-Wilmot ; M D Wilson

Source :

Tropical medicine & international health : TM & IH [ 1360-2276 ] ; 2001.

RBID : pubmed:11469943

Descripteurs français

KwdFr :
- Animaux, Anopheles, Eau douce, Femelle, Filariose lymphatique (transmission), Filariose lymphatique (épidémiologie), Ghana (épidémiologie), Humains, Mâle, Surveillance de l'environnement, Vecteurs de maladie, Wuchereria bancrofti, Épidémiosurveillance.
MESH :
- épidémiologie : Filariose lymphatique, Ghana.
- Animaux, Anopheles, Eau douce, Femelle, Humains, Mâle, Surveillance de l'environnement, Vecteurs de maladie, Wuchereria bancrofti, Épidémiosurveillance.
Wicri :
- geographic : Ghana.

English descriptors

KwdEn :
- Animals, Anopheles, Disease Vectors, Elephantiasis, Filarial (epidemiology), Elephantiasis, Filarial (transmission), Environmental Monitoring, Epidemiological Monitoring, Female, Fresh Water, Ghana (epidemiology), Humans, Male, Wuchereria bancrofti.
MESH :
- geographic , epidemiology : Ghana.
- epidemiology : Elephantiasis, Filarial.
- transmission : Elephantiasis, Filarial.
- Animals, Anopheles, Disease Vectors, Environmental Monitoring, Epidemiological Monitoring, Female, Fresh Water, Humans, Male, Wuchereria bancrofti.

Abstract

We conducted an entomological study to document the effect of irrigation on the vectors and transmission dynamics of lymphatic filariasis in the Upper East Region of Ghana. Mosquitoes were collected by indoor spraying of houses in a cluster of communities located around irrigation projects (Tono and Vea) and others without reservoirs (Azoka). Anopheles gambiae s.s. was the dominant species and major vector, followed by An. funestus. Anopheles arabiensis constituted 9--14% of the An. gambiae complex but none were infective. Culex quinquefasciatus was also not infective in these communities. Chromosomal examinations showed that >60% (n=280--386) of the An. gambiae s.s. in irrigated communities were Mopti forms whilst 73% (n=224) in the non-irrigated area were Savannah forms. Infectivity rates (2.3--2.8 vs. 0.25), worm load (1.62--2.04 vs. 1.0), annual bites per person (6.50--8.83 vs. 0.47) and annual transmission potential (13.26--14.30 vs. 0.47) were significantly higher in irrigated communities.

PubMed: 11469943

Affiliations:

Le document en format XML

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<term>Mâle</term>
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<front><div type="abstract" xml:lang="en">We conducted an entomological study to document the effect of irrigation on the vectors and transmission dynamics of lymphatic filariasis in the Upper East Region of Ghana. Mosquitoes were collected by indoor spraying of houses in a cluster of communities located around irrigation projects (Tono and Vea) and others without reservoirs (Azoka). Anopheles gambiae s.s. was the dominant species and major vector, followed by An. funestus. Anopheles arabiensis constituted 9--14% of the An. gambiae complex but none were infective. Culex quinquefasciatus was also not infective in these communities. Chromosomal examinations showed that >60% (n=280--386) of the An. gambiae s.s. in irrigated communities were Mopti forms whilst 73% (n=224) in the non-irrigated area were Savannah forms. Infectivity rates (2.3--2.8 vs. 0.25), worm load (1.62--2.04 vs. 1.0), annual bites per person (6.50--8.83 vs. 0.47) and annual transmission potential (13.26--14.30 vs. 0.47) were significantly higher in irrigated communities.</div>
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Serveur d'exploration sur le lymphœdème

Lymphatic filariasis in Ghana: entomological investigation of transmission dynamics and intensity in communities served by irrigation systems in the Upper East Region of Ghana.

Lymphatic filariasis in Ghana: entomological investigation of transmission dynamics and intensity in communities served by irrigation systems in the Upper East Region of Ghana.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

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