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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]
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
If you live in certain parts of the U.S., it’s important to be aware of Lyme disease symptoms. Keep these on the backburner.
The EM rash is often accompanied by symptoms of a viral-like illness, including fatigue, headache, body aches, fever, and chills, but usually not nausea or upper-respiratory problems. These symptoms may also appear without a rash, or linger after the rash disappears. Lyme can progress to later stages without these symptoms or a rash. [10]
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Erythema migrans, bullseye or target lesion—typical of Lyme disease but not always present. Lyme disease was first described in Europe in 1883 and in the 1970s in North America. It is an illness caused by a spiral-shaped bacterium called a spirochaete. The best-known culprit is Borrelia burgdorferi, but many different Borrelia species cause ...
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.
Why some people recover from Lyme disease, while others experience months, years or even decades of chronic symptoms has long puzzled doctors. Why some people recover from Lyme disease, while ...