Toxoplasmosis is a disease which is sometimes spread through animal feces, especially cats'.
Ask your doctor if you think you might be susceptible. Ferrets will not shed the toxoplasma organism to the extent that cats do, but if they are exposed to cat feces, they may contract the disease and shed very low amounts of oocysts. Here's the bottom line. Actually, she probably stands a higher chance of getting Toxo from poorly cooked beef.