London, United Kingdom
Lyme Disease Tick
Photograph - Photograph
Lyme disease tick. Computer graphic illustration of the tick Ixodes ricinus, principal vector of Lyme disease in Europe. The head (above centre) contains a pair of palps, between which are barbed blood-sucking mouthparts. This tick is common in Europe and attacks humans, domestic and wild animals. Ixodes ricinus carries the spirochaete bacterium Borrelia burgdorferi, cause of both Lyme disease and a closely-related disease known as erythema migrans. Both diseases cause skin lesions, neurological and cardiac abnormalities and recurrent arthritis. In North America Lyme disease is transmitted by the related ticks I. dammini and I. pacificus.
May 12th, 2013
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