QUOTED from a Facebook post "Diarrhea and vomiting in a puppy that you just got does NOT automatically mean Parvo, even if it was "tested" at the vet. They can and will normally throw a false positive if the puppy was recently vaccinated (it's a live virus they're vaccinated with). Puppies get stressed out when moved from one place to another and get upset tummies just like people can (motion sickness, etc). Most of the time these upset tummies can be settled down with a li