Bobbi S. Pritt, MD, Director of the Clinical Virology and Parasitology Laboratories in the Division of Clinical Microbiology, Mayo Clinic, discusses tick-borne diseases and how the expansion of the geographic range of ticks in the United States exposes more of the population to tick-borne disease. She also discusses how this expansion increases the importance of physicians recognizing who to test, which test to use, and when to test.
