I would listen to your vet and wait. Parvo can live on surfaces for months. Besides, you will have a problem getting another puppy from a reputable breeder if she knows you have parvo in your house. After your experience, I'm sure you now realize how important it is to get a puppy from a reputable breeder.
Here is some information on parvo for you:
Parvovirus: Serious Diarrhea in Puppies & Dogs