Tags: Disease.
Yaws (also known as frambesia tropica thymosis polypapilloma tropicum parangi bouba frambösie and pian) is a tropical infection of the skin bones and joints caused by the spirochete bacterium Treponema pallidum pertenue. Symptoms of the disease begins with a round two to five centimeters in size hard swelling of the skin. The center may break open and form an ulcer. This initial skin lesion typically heals after three to six months.
