Figure-6.
Total immunoglobulin G (IgG) antibody responses against a crude antigen preparation from Echinococcus granulosus protoscoleces was detected by an indirect enzyme-linked immunosorbent assay. The cutoff is the mean ± 3 SD of negative sera from non-infected camels. The figure illustrates elevation in the level of IgG within naturally infected animals in comparison with non-infected ones.