Causative agent of Yaws is?
ANSWER: (A) Treponema pertenueREF: Harrison's 17th ed table 163-1FeatureVenereal SyphilisYawsEndemic SyphilisPintaOrganismT. pallidum subsp. pallidumT. pallidum subsp. pertenueT. pallidum subsp. endemicumT. carateumMode of transmissionSexual, transplacentalSkin-to-skinHousehold contacts: mouth-to-mouth or via shared drinking/ eating utensilsSkin-to-skinUsual age ofacquisitionLateAdulthoodEarly childhoodEarly childhoodchildhoodPrimarylesionCutaneous ulcer (chancre)Papilloma, often ulcerativeRarely seenNon-ulcerating papule with satellites, pruriticLocationGenital, oral, analExtremitiesOralExtremities, faceSecondarylesionsMucocutaneous lesions; condylomata lata, osteoperiostitisCutaneouspapulosquamouslesions;osteoperiostitisFlorid mucocutaneous lesions (mucous patch, split papule, condyloma latum)Pintides, pigmented, pruriticLatecomplicationsGummas, cardiovascular and CNS involvementDestructive gummas of skin, bone, cartilageDestructive gummas of skin, bone, cartilageNondestructive, dyschromic, achromic macules
Treponema pertenue
Treponema carateum
Treponema pallidum
Treponema endemicum
Bacteria