| immunological assessment of exposure to echinococcus granulosus in a rural dog population in uruguay. | an elisa was used to screen a dog population in uruguay (sarandi del yi, durazno district) for the prevalence of specific serum antibodies (igg, iga and ige) to echinococcus granulosus. the sensitivity (61%) and specificity (97%) of the elisa were determined using well-defined serum groups. a total of 408 dogs from sarandi del yi and environs were screened serologically, and 29.7% (8.6-13.8% for each antibody class) of dogs had positive levels of antibody to e. granulosus. this antibody prevalen ... | 1994 | 7709857 |