890672.fig.004
Figure 4: Immunoglobulin profile in serum of mice infected with T. cruzi I strains. Mice were inoculated ip with 1 × 1 0 4 T. cruzi BT of Ninoa () or Qro () strains. IgG antobodies were determined by ELISA as described in materials and methods and are showed as media value ± SD.