Susceptibility of <i>B. tenagophila</i> collected before and after the introduction of the resistant lineage to infection after exposure to the SJ strain of <i>S. mansoni</i>.

PI: post-introduction. *Significant differences between B. tenagophila collected before and after the introduction of the resistant lineage (p<0.05). Pearson’s chi-square test which is suitable for comparisons between proportions, and Fisher’s exact test were used at frequencies lower than 5.