Puppy's Parvo fight highlights red flags for pet buyers

Brianna and Tyler Larson had wanted a Mini Australian Shepherd for years.When they saw a four-month-old puppy named Wylder on Good Dog, an online platform that connects prospective pet owners with breeders, they quickly fell in love.WATCH NOW: Puppy's Parvo fight highlights red flags for pet buyers Puppy's Parvo fight highlights red flags for pet buyersWe saw him, we fell in love with him. Everything kind of just worked, Brianna Larson said. It was a really quick, easy process.The Larsons brought Wylder home on Sept. 15. Within roughly 48 hours, they said he appeared lethargic and began vomiting.At first, we were really just blaming it on the nerves, Tyler Larson said. Every hour on the hour, every 30 minutes, he started to vomit, and it was not looking good.The couple rushed Wylder to a veterinarian, where he tested strongly positive for parvovirus, commonly called parvo.The Larsons said veterinarians could not definitively determine where or when Wylder contracted the virus.A fight t