---BLEACH THE CRAP OUT OF EVERYTHING--- and I do mean EVERYTHING.
You need to mix a water and bleach formula of about 32 parts water to one part bleach (1/2 Cup bleach to 1 gallon water) and spray everything in the yard house car or any other place you can think of that the dog came in contact with, your shoes, rugs, bowls, furniture, dog yard, kennels EVERYTHING in and outside the house.
Top performance 256 will also work VERY WELL, but honestly you need to spray every square inch of EVERYTHING.
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Best place for a pup with Parvo is in the tub where you can contain it and then spray down with bleach with out much worries.
http://www.petedge.com/product/Top-Performance-256-Disinfectant-Deodorizer/46993.uts
