Originally Posted by
teachnk
he could have been exposed weeks earlier in any number of places. However anywhere he had used the bathroom recently is now contaminated and will be for a long time. You can clean a tile floor with bleach, however the yard is a very different story. There is no way of knowing a dog is sick until they start showing symptoms. At that point they have been sick a while. The best thing you can do as a dog owner is to make sure they receive all their vaccines as a puppy and be very careful where you take them until fully vaccinated.