<prompt> All of the following statement about ;yaws; are true, except -Caused by Treponema peenueTransmitted non venerallySecondary yaws can involve boneLate stages of yaws involve hea and nerves  <response>: Late stages of yaws includes destructive lesions of the skin and bone. Reference; Park;s Textbook of preventive and social medicine, 24th edition.Pg no. 359 