You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is All of the following statements about 'yaws' are true, except: and explain in detail?
Late Yaws is characterized by destructive and deforming lesions of skin, periosteum and bone. The late cardiac and cerebral manifestations of venereal syphilis, which is often severe, does not occur in yaws. Ref: Preventive and Social Medicine, by K.Park, 19th edition, Page 283, 284