This subspecies is responsible for nonvenereal syphilis, which occurs endem-ically in certain circumscribed areas in the Balkans, the eastern Mediterranean, Asia, and Africa. The disease manifests with maculous to papulous, often hypertrophic lesions of the skin and mucosa. These lesions resemble the venereal efflorescences. The pathogens are transmitted by direct contact or indirectly on everyday objects such as clothes, tableware, etc. The incubation period is three weeks to three months. Penicillin is the therapy of choice. Se-rological syphilis tests are positive.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.