Answer:
The most likely cause is that the individual has been infected with Lyme disease.
Step-by-step explanation:
Lyme disease is a disease transmitted by tick bites. Some ticks when biting an individual are stuck to the skin sucking blood indefinitely. The longer the tick is attached to the individual's skin, the greater the likelihood that the tick will transmit the bacteria responsible for Lyme disease.
The symptoms of this disease are very variable, but in general they are characterized as red spots on the skin, known as bull's eye, around the place where the individual was bitten, but the spots can appear in any region of the body. The individual may also have irritability, fever, body aches and malaise.