A patient in a rural area of Massachusetts had a 5-cm red rash with an expanding margin on his back. The lesion was obvious for approximately a month and then resolved. Several weeks later, the...

A patient in a rural area of Massachusetts had a 5-cm red rash with an expanding margin on his back. The lesion was obvious for approximately a month and then resolved. Several weeks later, the patient experienced episodes of partial facial paralysis and painful joints. Which of the following is the most likely infectious agent in this case?

 a. Borrelia hermsii b. Borrelia burgdorferi c. Leptospira interrogans d. Spirillum minor