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Symptoms of Lyme disease

What are the symptoms of Lyme disease? The condition most often causes a characteristic skin rash, fever, fatigue, headache, muscle and joint pain, and later, in some cases, neurologic or cardiac symptoms. These effects do not arise randomly. They reflect the…

Causes of Lyme disease

Lyme disease is caused by infection with Borrelia bacteria, most often Borrelia burgdorferi in North America and related species in Europe and Asia. The disease develops when these spirochete bacteria enter the body, evade early immune defenses, and spread from the…

Prevention of Lyme disease

Lyme disease can be prevented to a meaningful extent, but prevention is not absolute. The illness develops when Borrelia burgdorferi or related Borrelia bacteria are transmitted to a person through the bite of an infected tick, most often a blacklegged tick.…

FAQ about Lyme disease

This FAQ article explains the basics of Lyme disease, from what it is and how it develops to how doctors diagnose, treat, and help prevent it. Lyme disease is a tick-borne infection that can affect the skin, joints, nervous system, and…

What is Lyme disease

Lyme disease is an infectious disease caused by certain Borrelia bacteria, usually transmitted to humans through the bite of infected ticks. It primarily affects the immune system, skin, joints, nervous system, and sometimes the heart . The illness develops when the…

Prevention of Leptospirosis

Leptospirosis is an infectious disease caused by bacteria of the genus Leptospira . It is not fully preventable in every setting, because the organism can persist in animal reservoirs and survive in contaminated water or soil. For that reason, prevention is…

FAQ about Leptospirosis

Leptospirosis is an infection that can range from a mild flu-like illness to a severe, life-threatening disease affecting the liver, kidneys, lungs, and nervous system. It is caused by bacteria that spread mainly through contact with water, soil, or surfaces contaminated…