Causas de Enfermedad de Lyme: factores genéticos y ambientales explicados y revisados con fuentes médicas, más la perspectiva de los pacientes.
Original
It's a bacteria carried by ticks. Some also speculate that fleas, mosquitoes, and other biting insects cause it. Genetics, food, environment, and infections can contribute to how bad the patient responds, but it is caused by a bacteria.