On this Mayo Clinic Radio program, Dr. Gregory Poland, director of Mayo Clinic's Vaccine Research Group, will discuss vaccines for vector-borne illnesses, including Lyme disease and Zika virus. Dr. Poland will also discuss the problem of vaccine hesitancy. Also on the program, Dr. Margaret Long, a gynecologist at Mayo Clinic, will explain how the HPV test works differently than a Pap smear. And, Dr. Purna Kashyap and Dr. Vandana Nehra, both gastroenterologists at Mayo Clinic, will share the findings of their research on how your individual gut bacteria may affect your ability to lose weight.