cystic echinococcosis: analysis of the serological profile related to the risk factors in individuals without ultrasound liver changes living in an endemic area of tacuarembó, uruguay.cystic echinococcosis (ce) is a high prevalence zoonosis among the rural population of tacuarembó (uruguay). the correlation between serological data and the incidence of risk factors was studied in a survey carried out in 1998 among rural communities where 480 individuals were examined by means of abdominal sonography (local prevalence = 0.8%). serum samples (305) were analysed by elisa to determine specific igg against crude antigens from echinococcus granulosus. a total of 27 individuals exhi ...200515830820
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