| | Conditions Treatments | Lyme Disease Is Lyme disease a rickettsial disease? No, Lyme disease is not a rickettsial disease. It is caused by a bacterium called Borrelia burgdorferi, which is transmitted to humans through the bite of an infected tick. Lyme Disease - Related Articles How you demonstrate excellent customer services? How to Research Transplant Surgery Bipolar Disorder in Adolescents Skin Care Tips for Open Pores Lacrimal Gland, Tear Film & Dry Eye Syndromes What is cancer antigen 15-3 used for? Holistic Alternative to Hypertension Medication