All of the following statement about &;yaws&; are true, except -
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
Caused by Treponema peenue
Transmitted non venerally
Secondary yaws can involve bone
Late stages of yaws involve hea and nerves
Communicable diseases