Yaws is a tropical infection of the skin, bones and joints caused by the spirochete bacterium Treponema pallidum pertenue. The disease begins with a round, hard swelling of the skin, 2 to 5 centimeters in diameter. The center may break open and form an ulcer.
búbas
yaws
KAHULUGAN SA TAGALOG
búbas: sakít sa balát na mala-butones sa lakí, umaalsa, at matagal gumalíng
