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Lyme disease is caused by infected black-legged (or deer) ticks and symptoms of the disease may vary, depending on how long it takes to discover the signs. Show comments Advertisement
About 30,000 cases of Lyme disease in the U.S. are reported to the Centers for Disease Control and Prevention by state and local health departments each year. However, the CDC says that many more ...
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]
Afzelius published his work 12 years later and speculated the rash came from the bite of an Ixodes tick, meningitic symptoms and signs in a number of cases and that both sexes were affected. This rash was known as erythema chronicum migrans, the skin rash found in early-stage Lyme disease. [18]
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.
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 (CLD) is the name used by some people with non-specific symptoms, such as fatigue, muscle pain, and cognitive dysfunction to refer to their condition, even if there is no evidence that they had Lyme disease. [2] [3] Both the label and the belief that these people's symptoms are caused by this particular infection are ...
Borrelia afzelii is a species of Borrelia endemic to parts of Eurasia where it is one of the causative agents of Lyme disease.It is transmitted by hard-bodied ticks of the Ixodes genus (Ixodes ricinus in Europe, and Ixodes persulcatus in temperate regions of Asia), infecting various wild mammals in nature.