If your pet spends time in the great outdoors, you may not give much thought to who he shares that space with—but you should. From deer and coyotes to foxes, skunks, bats, and raccoons, wild animals can pose a serious threat as they carry a variety of diseases that can be transmitted to pets and people. 

Rabies
Rabies is a disease caused by a virus that attacks the brain. It can affect any warm-blooded animal, including dogs, cats, and humans. It is almost always fatal.