About yaws all are true except:

Ans. (d) i.e. Later stages involves hea and nerves Feature Yaw (ian, framboesia Pinta (carate, azul) Organism T. pallidum subspecies peenue T. carateum Mode of transmission Skin to skin Skin to skin Usual age Eany childhood Late childhood Primary lesion UIcerative Papilloma (Mother yaw) Non ulcerative papule with satellite Site Extremities Extremities, face Secondary lesion Cutaneous papulosquamous Pintides, pigmented, pruritic Ision, osteoperiostitis Relapses Common Rare Late complication Destructive gummas of skin, bone, cailage Nondestructive macules Treatment Benzathine penicillin Benzathine penicillin