Lyme disease or Lyme borreliosis is an infectious tick-borne disease, caused by the Borrelia spirochete, a gram-negative microorganism.

Lyme disease is named after a cluster of cases that occurred in and around Old Lyme and Lyme, Connecticut in 1975.

Before 1975, elements of Borrelia infection were also known as "tick-borne meningopolyneuritis", Garin-Bujadoux syndrome, Bannwarth syndrome or sheep tick fever.

It is transmitted to humans by the bite of infected ticks.

For more information about the topic Lyme disease, read the full article at Wikipedia.org, or see the following related articles:

Tick — Tick is the common name for the small arachnids that, along with mites, constitute the order Acarina. Ticks are ectoparasites (external parasites), ...  > read more

Vector (biology) — Traditionally in medicine, a vector is an organism that does not cause disease itself but which spreads infection by conveying pathogens from one ...  > read more

Tularemia — Tularemia (also known as "rabbit fever") is an infectious disease caused by the bacterium Francisella tularensis. The disease is endemic in North ...  > read more

Encephalitis — Encephalitis is an acute inflammation of the brain, commonly caused by a viral infection. Sometimes, encephalitis can result from a bacterial ...  > read more

Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.

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