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