Christian Kositz

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Yaws, caused by Treponema pallidum subsp. pertenue, is an important public health problem in many tropical countries. 1 Like syphilis, the disease manifests in three stages; however, unlike syphilis, its route of transmission is non-genital skin-to-skin contact and not by sexual intercourse. Primary yaws manifests as either a papilloma or a chronic ulcer.(More)
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