My father and uncle both have suffered from toxo. It can attack nearly any organ in the body; in my father's case, it attacked his eye. Unfortunately the only treatment in the 1980's for toxo involved heavy doses of steroids; the effectiveness was marginal at best as he still lost approximately 80% of his vision in one eye and about 25% in the other. The steroids caused a lot of other problems which have shown up for the past three decades.
Before my grandmother passed away about ten years, it was understood in my family not to let her know that she had indeed passed the disease along during pregnancy.