Syphilis is caused by the spiral- or coil-shaped bacteria (spirochete), Treponema pallidum.
One is a sexually transmitted disease caused by A systemic infection caused by the spirochete Treponema pallidum.
Borrelia burgdorferi, the spiral-shaped bacterium called a spirochete, that causes Lyme disease, was not discovered until 1981 by Willy Burgdorfer.
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