What causes Lyme disease? DISCLAIMER: CONSULT WITH A DOCTOR BEFORE DECIDING ON A TREATMENT PLAN FOR ANY DISEASE OR INJURY. Lyme disease is a vector-borne, bacterial infection caused by the Borrelia burgdorferi (most commonly) and Borrelia mayonii bacteria. The bacteria is transmitted to humans from the bite of the blacklegged tick (Ixodes spp.). The blacklegged … Continue reading What is Lyme Disease? And can Lyme disease be cured?