What part of the body does Lyme disease affect?


Lyme disease is a bacterial infection caused by the Borrelia burgdorferi bacterium, which is transmitted to humans through the bite of infected blacklegged ticks.

Lyme disease can affect different parts of the body, including the skin, joints, heart, and nervous system.

The most common symptom of Lyme disease is a distinctive rash called erythema migrans (EM), which appears at the site of the tick bite and expands over time.

If left untreated, Lyme disease can lead to more serious symptoms, including fever, fatigue, headache, muscle and joint pain, swollen lymph nodes, and in some cases, neurological symptoms such as meningitis, facial palsy, and neuropathy.

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