Author: Sharma S. Sharma M. Rathaur S.
Publisher: Routledge Ltd
ISSN: 1364-8594
Source: Annals of Tropical Medicine and Parasitology, Vol.93, Iss.4, 1999-06, pp. : 379-387
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Abstract
The age- and sex-specific distributions of human infections with Wuchereria bancrofti were investigated at two sites in the Varanasi region of north India: one a rural, agricultural area (Chiraigaon) and the other an urban-slum area (Sunderpur). A random clinical the prevalence of microfilaraemia and elephantiasis in the urban area (14% and 7.3%, respectively) were both higher than in the rural area (9% and 3.1%, respectively). In both areas, prevalence of microfilaraemia generally increased with age, to a maximum in those aged 20-29 years, and then declined. Within most age-groups, the prevalences of microfilaraemia and elephantiasis were higher in males than females. However, the prevalence of microfilaraemia in females from Chiraigaon who were aged 30 years was higher than in their male counterparts. Though individual microfilarial intensities varied greatly, the geometric mean microfilarial intensity was higher in Sunderpur than in Chiraigaon (214 v . 196 microfilariae/ml). All 83 subjects with elephantiasis, except one in Sunderpur, were amicrofilaraemic. The present results indicate that bancroftian filariasis is one of the major public-health problems in the study area. and parasitological survey revealed that
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