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Feb 10, 2023 · Lyme disease is an illness caused by borrelia bacteria. Humans usually get Lyme disease from the bite of a tick carrying the bacteria. Ticks that can carry borrelia bacteria live throughout most of the United States. But Lyme disease is most common in the upper Midwest and the northeastern and mid-Atlantic states.
In the United States, the spirochete Borrelia burgdorferi sensu stricto (hereafter termed B burgdorferi) is the only pathogen that causes Lyme disease. However, in Europe and Asia, Borrelia afzelii, Borrelia garinii, and other related species, in addition to B burgdorferi, cause Lyme disease.
Jan 20, 2023 · The Lyme disease bacteria causing human infection in the United States, Borrelia burgdorferi and, rarely, B. mayonii, are spread to people through the bites of infected ticks. Borrelia burgdorferi is spread primarily by the blacklegged tick (or deer tick, lxodes scapularis ) in the northeastern, mid-Atlantic, and north-central United States ...
Lyme disease is caused by a spirochete—a corkscrew-shaped bacterium called Borrelia burgdorferi. Lyme is called “The Great Imitator,” because its symptoms mimic many other diseases. It can affect any organ of the body, including the brain and nervous system, muscles and joints, and the heart.
The spirochete Borrelia burgdorferi is a tick-borne obligate parasite whose normal reservoir is a variety of small mammals [ 1 ]. Whereas infection of these natural hosts does not lead to disease, infection of humans can result in Lyme disease, as a consequence of the human immunopathological response to B. burgdorferi [ 2, 3 ].
Lyme disease, also known as Lyme borreliosis, is a tick-borne disease caused by species of Borrelia bacteria, transmitted by blood-feeding ticks in the genus Ixodes. [3] [8] [9] The most common sign of infection is an expanding red rash, known as erythema migrans (EM), which appears at the site of the tick bite about a week afterwards. [1] .
Jun 14, 2023 · Keri K Hall, MD, MS. Literature review current through: Mar 2024. This topic last updated: Jun 14, 2023. INTRODUCTION. Lyme disease is the most common tick-borne disease in the United States, Canada, and Europe [ 1-3 ]. It is a bacterial infection caused by six species in the spirochete family Borreliaceae.
