On June 1, a 32-year-old hiker was bitten by a tick. After 1 week, he noticed an erythematous ring at the location of the bite. Four weeks later, a physician found a large, macular, centrifugally spreading ring. During the next month, it expanded to 35 cm and faded. Over the next 2.5 years, the man experienced recurrent inflammation of a knee.Identify the periods of incubation, prodromal, illness, and decline. What is the etiology? What caused the symptoms? What treatment should have been administered in July? What treatment should be administered 2 years later?