| prevalence of toxocariasis in northeastern brazil based on serology using recombinant toxocara canis antigen. | to evaluate the prevalence of toxocariasis in children in jaboatão dos guararapes, pernambuco in northeastern brazil, 215 serum samples were examined by an enzyme-linked immunosorbent assay (elisa) using a recombinant toxocara canis antigen. in the elisa, 26 (12.1%) of 215 subjects were positive. in a dot-blot assay using 53 of 215 serum samples, the diagnostic results correlated with those obtained by the elisa. moreover, it has been confirmed that the recombinant t. canis antigen was highly sp ... | 2005 | 15728875 |