The prurigo strophulus in brazzaville: Demonstration of vectors and study of some associated bioecological parameters. | [Pakistan Journal of Zoology • 2013]

Author(s):

1. Arsène Lenga: Laboratory of Bio-ecology of Vertebrates and Invertebrates, Faculty of Science, Marien Ngouabi Université, BP. 1375, Square De Gaulle. Av. OUA, Congo-Brazzaville ; Research Group on Biology and Ecology of Animal Populations, Faculty of Science, Marien Ngouabi University, BP. 69, Square De Gaulle. Av. OUA, Brazzaville

2. Ida Aurélie Lenga-Loumingou: Department of Dermatology and Venereology, Hospital University of Brazzaville, Faculty of Health Sciences, B.P. 32, 1, Bld Maréchal Lyautey, Brazzaville

3. Miriame Mabika Moussounda: Laboratory of Bio-ecology of Vertebrates and Invertebrates, Faculty of Science, Marien Ngouabi Université, BP. 1375, Square De Gaulle. Av. OUA, Congo-Brazzaville

4. Joseph Vouidibio: Research Group on Biology and Ecology of Animal Populations, Faculty of Science, Marien Ngouabi University, BP. 69, Square De Gaulle. Av. OUA, Brazzaville

Abstract:

Strophulus prurigo, chronic skin disease widespread in Africa in general and the Congo - Brazzaville in particular is studied here in a neighborhood of the city of Brazzaville located near a watercourse. Studies conducted at 100m and 500m from the river show a frequency of infestation which is highest near water. Two arthropods are reported to cause infections in prurigo strophulus: dipteran Simulidae, Simulium albivirgulatum and an Ixodidae mite, Ixodus ricinus L. The notion of a genetic transmission of this disease is hypothetical. Suspicion of a hereditary origin of this infection is not confirmed here. Field of patients with prurigo does not seem to be atopic. The study of daily activity rhythms of Simulium albivirgulatum shows that this insect is well suited to urban areas with peaks of both diurnal and crepuscular activity, providing important human parasite pressure. The dermatological consequences are all the more important that individuals are less covered mainly in the limbs according to their clothing habits. In addition, our results indicate a predominance of women in the prevalence of this infection, regardless of the age groups considered.

Page(s): 121-128

DOI: DOI not available

Published: Journal: Pakistan Journal of Zoology, Volume: 45, Issue: 1, Year: 2013

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