By Kim Hurley
Register Freelance Writer
It’s as tiny as the period at the end of this sentence. It’s nearly impossible to see it on a dog. It’s barely visible to the human eye. Yet, it can have a gigantic, life-changing impact on thousands of lives. It’s the primary tick that carries Lyme disease, particularly in this region of the United States. It’s the deer tick (also known as the black-legged tick).