Onchocerciasis: Prevalence of Microfilaruria and Other Manifestations in a Village of Cameroon

Robert I. Anderson Department of Epidemiology, The Johns Hopkins University, School of Hygiene and Public Health, 615 North Wolfe Street, Baltimore, Maryland 21205

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David B. Thomas Department of Epidemiology, The Johns Hopkins University, School of Hygiene and Public Health, 615 North Wolfe Street, Baltimore, Maryland 21205

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Anne A. MacRae Department of Epidemiology, The Johns Hopkins University, School of Hygiene and Public Health, 615 North Wolfe Street, Baltimore, Maryland 21205

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Alfred A. Buck Department of Epidemiology, The Johns Hopkins University, School of Hygiene and Public Health, 615 North Wolfe Street, Baltimore, Maryland 21205

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DOI:
https://doi.org/10.4269/ajtmh.1975.24.66
Volume/Issue:
Volume 24: Issue 1
Page(s):
66–70
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Onchocercal microfilaruria was studied in the course of an epidemiologic investigation of diseases, infections, and general health conditions in a rural village on the Adamaoua Plateau in northern Cameroon. Microfilariae of Onchocerca volvulus were observed in nearly one half of the skin snips taken from the village residents. The prevalence of onchocerciasis as diagnosed from skin snips increased with age, and was greater for males than females. The number of microfilariae per skin snip also increased with age. The presence of subcutaneous nodules, inguinal lymphadenopathy, microfilariae in the urine, ocular lesions and prolonged itching all were related to both age and the presence of microfilariae in skin biopsy specimen, as well as to intensity of infection. Microfilaruria was not restricted to individuals with severe onchocerciasis.

Author Notes

Copyright:
Copyright © 1975, by The American Society of Tropical Medicine and Hygiene 1975
Accepted:
13 May 1974
|
Published Online:
Jan 1975
Cover The American Journal of Tropical Medicine and Hygiene
The American Journal of Tropical Medicine and Hygiene
Print ISSN:
0002-9637
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