D. PHILLIPS / SCIENCE PHOTO LIBRARY D. PHILLIPS / SCIENCE PHOTO LIBRARY
Lyme disease bacterium. Coloured transmission electron micrograph (TEM) of a section through a Borrelia burgdorferi bacterium, cause of Lyme disease in humans. This long spiral-shaped spirochaete bacterium (upper left to bottom right) is passed on to humans by tick bites, commonly Ixodes ricinus in Europe and Ixodes pacificus in North America. The ticks can infest domestic dogs. Symptoms of Lyme disease include skin lesions, muscle pain, neurological and cardiac abnormalities, and arthritis. Treatment includes antibiotic and corticosteroid drugs. Magnification: x24,000 at 5x7cm size. Magnification: x12,000 at 35mm size.
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