the epidemiology of schistosoma haematobium and s. mansoni infections in the egypt-49 project area. 1. sampling techniques and procedures for measuring the prevalence of bilharziasis.a survey of the prevalence of bilharziasis has been made in the egypt-49 project area, part of the beheira province of egypt with an area of 422 km(2) and a population of nearly 250 000 in 552 villages. the area has been classified into four divisions-rural (agricultural), urban (industrial), reclamation (resettlement) and control, and subdivided into 23 sections bounded by irrigation canals or drains. between april 1962 and march 1963, 11 944 individuals from 2573 households in 96 villages were ...19665297626
seasonality as a determinant of the efficacy of praziquantel in population-based chemotherapy: lessons from the practice.during october-november 1991, 1356 male farmers, 18-40 years old from a village in fayoum governorate, egypt, were examined for schistosoma haematobium infection. the prevalence of infection was 22.2%. infected farmers were treated immediately with praziquantel at the recommended dose of 40 mg/kg body weight in a single, oral dose. twelve weeks after treatment 86/262 (32.8%) infected farmers were negative for s. haematobium eggs in urine. in another study conducted in a satellite village in the ...19989617037
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