Department of Entomology, Purdue University
Below is an excerpt from and a link to a terrific general explainer on Lyme Disease produced by Catherine A. Hill and John F. McDonald from Purdue's Department of Entomology. This is information every trail runner should review every year.
Lyme disease is a tick-borne disease. In Indiana, the risk of contracting Lyme disease begins in late spring and continues into summer. Because of the potential health effects of Lyme disease, you are encouraged to learn more about this disease and how to take precautions that can reduce the risk
of transmission to you, your family, and your pets.
The full document can be found at the following link.