This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
Erythema chronicum migrans as seen in the illustration is caused by: 
Select and explain. 
A. Borrelia japonica, B. Borrelia burgdorferi, C. Borrelia andersoni, D. Borrelia recurrentis
B: Borrelia burgdorferi
Answer: B: Borrelia burgdorferi 
Explanation: Ans. B. Borrelia burgdorferiERYTHEMA CHRONICUM MIGRANSa. Erythema chronicum migrans is a rash often seen in the early stages of Lyme disease.b. It is caused by the spirochete Borrelia burgdorferi.c. Lyme disease is a zoonosis which is spread to humans by tick bited. The rash appears a few days after the tick bite