For your family's sake...
Toxocariasis is a zoonotic (animal to human) infection caused by the parasitic roundworms commonly found in the intestine of dogs (Toxocara canis) and cats (T. cati). In the United States alone, an estimated 10,000 cases of Toxocara infections occur yearly in humans.
We're positive we don't need to list the thousands of ways small children or adults could come in contact with Rover's leftovers. Toxocariasis is a cause of blindness in small children! Furthermore, Toxocariasis is passed through the feces of dogs. Small children therefore, are especially at risk.