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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. [4] [9] [10] 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]
Eight are known to cause Lyme disease or Borreliosis. [6] The major Borrelia species causing Lyme disease are Borrelia burgdorferi, Borrelia afzelii, and Borrelia garinii. [23] All species that cause Lyme disease are referred to collectively as B. burgdorferi sensu lato, [10] while B. burgdorferi itself is specified as B. burgdorferi sensu stricto.
Chronic Lyme disease is distinct from untreated late-stage Lyme disease, which can cause arthritis, peripheral neuropathy and/or encephalomyelitis. Chronic Lyme disease is also distinct from post-treatment Lyme disease syndrome (PTLDS) when symptoms linger after standard antibiotic treatments.
The genomic variations have direct implications on the clinical symptoms of tick-borne Lyme disease. For example, B. burgdorferi s.s.’s tick-borne Lyme disease may manifest with arthritis-like symptoms. [9] In contrast, B. garinii’s tick-borne Lyme disease may cause an infection of the central nervous system. [9]
Borrelia miyamotoi is a bacterium of the spirochete phylum in the genus Borrelia.A zoonotic organism, B. miyamotoi can infect humans through the bite of several species of hard-shell Ixodes ticks, the same kind of ticks that spread B. burgdorferi, the causative bacterium of Lyme disease.
Neuroborreliosis is often preceded by the typical symptoms of Lyme disease, which include erythema migrans and flu-like symptoms such as fever and muscle aches. Neurologic symptoms of neuroborreliosis include the meningoradiculitis (which is more common in European patients), cranial nerve abnormalities, and altered mental status.
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With Lyme disease, this condition is often bilateral, meaning it happens on both sides of the face. If the disease spreads to the joints, it can cause arthritis in the knee, the wrist, and the ankles. Lyme disease can also spread to the meninges, which is the lining of the brain, causing meningitis and sometimes terrible neck stiffness and ...